| Subject | Date Asked |
|
| Biogeochemical cylces | 11/19/2009 |
Q: How would phosphorus dust travel from Aisa to Kauai via wind. Would it b the hydrologic cycle ...
A: Unless I am missing something here b you are talking about dust being carried by the wind. It is ...
|
| can i ask a question sir ? | 11/14/2009 |
Q: what is the importance of studying biology ? please answer my question sir, thank you
A: Every once in a while I get this question and I must admit it amazes me because to me the answer ...
|
| Science Projects | 11/12/2009 |
Q: Did you ever have diffuculty picking a science project that interested you?
A: No I never did. If you are go to sciencebuddies.com walter I do not know what answer you were ...
|
| mitosis and meiosis | 11/9/2009 |
Q: You previously answered a question that I had and was able to clear up my misunderstanding. However, ...
A: Congratulations for going back to school. Replication means making exact copies so during mitosis ...
|
| biology- chromosomes (mitosis &meiosis) | 11/8/2009 |
Q: I have a question, I am trying to determine if the 3rd one of these is actually a trick question?? ...
A: OK Shannon; T0 start with this is not a trick question but it is a bad question because all cells ...
|
| digestive system | 11/4/2009 |
Q: The human large intestine is the site of a symbiotic relationship.explain.
A: I just answered this question froma guy in Canada. When two separate species live togethe rfor ...
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| the digestive system | 11/4/2009 |
Q: i do not understand this question The human large intestine is the site of a symbiotic ...
A: Our intestine is occupied with species if bacteria that are symbionts. Symbiosis is the living ...
|
| bilogy | 10/30/2009 |
Q: why does natural selection acts on the Phenotype and not the genotype of an organism
A: The phenotype is the expression of the genetic code and it is the genetic makeup that natural ...
|
| interview | 10/27/2009 |
Q: I was wondering if you would be interested in answering an interview? I am doing a project on what ...
A: 1 Mostly gram positive rod shaped bacteria. Bacillus species. Also harmless staph species 2 The ...
|
| biology and physiology | 10/27/2009 |
Q: What are the changes in body structures and functions which dont let the dead person come to life ...
A: Cellular activity depends upon the proper functioning of the cellular membranes and these activities ...
|
| biology- energy | 10/25/2009 |
Q: I am am doing a study of comparison on an energy drink (red bull and pepsi) and what some of the ...
A: 1. The combo of high sugar and caffeine speeds up thr metabolic rate resulting in greater energy ...
|
| sodium chloride | 10/20/2009 |
Q: Salt is made up (I read) of 40% sodium and 60% chlorine, making a compound sodium chloride. So with ...
A: Nutritional information on a package lists ingrediants by weight of a serving I nave a jar of ...
|
| Anatomy | 10/17/2009 |
Q: I would like to know how can I make an heart model. It is for a school project and it is meant to ...
A: I may be a biologist Jose but when it comes to creative art projects I am a flop. To make a heart ...
|
| Science project on water purification | 10/15/2009 |
Q: I am a middle school student looking for some help on water purification.i will ask a few Q's: 1. ...
A: Water condensation on the outside of a cup has condensed from the air outside but the temperature ...
|
| Osmosis procedure | 10/12/2009 |
Q: I have an "experiment" if you will that I have to record data on. The only information given is ...
A: Question 1. The tubing only simulates a cell membrane because it allows water to pas through ...
|
| microscope field of view | 10/10/2009 |
Q: I have been looking over my biology book for days and cant figure this out. How do I estimate the ...
A: Lets assume that the diameter of the field measures 2mm at 40x (measured with 4x lens in place. You ...
|
| Lab | 10/8/2009 |
Q: I'm a high school senior and I need to design a glucose experiment (it can be anything that has to ...
A: How about studying the fermentation rates of glucose and fructose using bakers yeast (available at ...
|
| Meiosis and Mitosis | 10/7/2009 |
Q: Hey, The textbook that I have (i'm a high school junior) has a terrible explanation of mitosis and ...
A: Cell division is complicated and I really would need diagrams to help explain the steps. You are ...
|
| pinto beans | 10/7/2009 |
Q: I am a highschooler having to do a project about pinto beans. This project is pretty free base ...
A: Years ago in my high school biology classes I had students who experimented with plant hormones or ...
|
| Gaseous exchange | 10/6/2009 |
Q: Which organs take part in gaseous exchange in animals,fish and insect?
A: First of all fish and insects are animals so which other animals are you thinking about? my guess is ...
|
| 7th Grade Science Project | 10/1/2009 |
Q: My daughter wants to do a science fair project involving pimples and the affects on skin but we ...
A: The first thing she has to do is some research to answer these questions. What are the causes of ...
|
| diffusion | 10/1/2009 |
Q: Right now I am trying to write up a lab report(that's due tomorrow), and I am having a difficult ...
A: Simple diffusion- Materials pass through easily from areas of higher concentration to areas of lower ...
|
| abiogenesis | 9/28/2009 |
Q: Hintz, My qeustion is regarding the definition of abiogenesis. i don't understand the difference ...
A: I understand your confusion. It certainly appears that the first living cells came from non-living ...
|
| Humans vs. animals | 9/18/2009 |
Q: how are humans different from animals? It's a very obvious question but, when you get down to it, ...
A: First of all bear in mind that we are members of the animal kingdom. How are we different from other ...
|
| Dog urine soaked carpets | 9/17/2009 |
Q: I was wondering if you could help us. We love my husbands sister, whom just recently became ...
A: I can certainy tell you that this environment is unhealthy but solving teh poblem is another ...
|
| Evolution | 9/13/2009 |
Q: Explain how natural selection may bring about evolution. Many thanks
A: The basic idea behind Natural selection is that variation occurs among individuals of a species and ...
|
| Brain | 9/11/2009 |
Q: At what speek (kph) does your brain send messages? How many days does an eyelash live?
A: Messages in the unmedulated neurons in the beain travel about 3 meters /sec. If you convert this to ...
|
| biology | 9/10/2009 |
Q: Of the elements hydrogen, carbon, oxygen, magnesioum, and copper, whuch have atromic weights that ...
A: The mass number listed on the periodoc table is the average of all weights of the isotopes. And the ...
|
| eye color and skin color in a child | 9/8/2009 |
Q: I am a african american and hispanic who is married to a pure hispanic man. He has other children ...
A: Heredity involving skin, eye and hair color is complicated because these traits have more then a ...
|
| conceiving the concept of cloning. | 9/7/2009 |
Q: I had a look at your description and it looks like might certainly be able to help with my ...
A: DNA from both parents is not required but cells from the female are usually used. Cloning ...
|
| Do bacteria cause nasal mucus to smell bad? | 9/3/2009 |
Q: Are there any bacteria that feed on nasal mucus? If so, do they produce any colors and odors as a ...
A: You have the wrong idea about the function of mucus. Bacteria do not obtain energy from mucus. ...
|
| blood types and punett squares | 8/28/2009 |
Q: I have answered a question about possible blood types for a parent with type A and one with type B. ...
A: You have used only phenotypes and not genotypes. Yjr phenoype is what you can see by typing and the ...
|
| Terrestrial Biome: Tropical Rain Forest | 8/27/2009 |
Q: How many different species of plants and animals are there in the Tropical Rain Forest biomes.
A: If you mean every species of plant and animal this is a tough question to answer because the best ...
|
| blocking smell and taste | 8/20/2009 |
Q: do you know about the phenomena that a human being can temporary when ever he wants, can block (and ...
A: As I stated I have never heard of this.I am a biology professor and as far as I know there is no ...
|
| Genentics | 8/17/2009 |
Q: When you have a baby is their ears suppose to look identical to either the moms ears or dad's ears? ...
A: Humans have 23 pair of chromosomes (46) that code for all hereditary factors including the shape of ...
|
| What is the likelyhood of my children having red hair? | 8/16/2009 |
Q: Just wondering what our chances are of having a child with red hair with these background colours in ...
A: You are carrying genes for blue and so is the partner. Eye and hair color is determined by more ...
|
| Biochemistry | 8/12/2009 |
Q: The krebs cycle turns pyruvic acid a 3 carbon molecule into CO2 a single carbon molecule. Why has ...
A: I have been reading your question over nd have trouble coming to a conclusion. I can see why you ...
|
| Nail Growth after death | 7/9/2009 |
Q: I know that after death hair and nails still grow, however, if the limb was to be removed from the ...
A: After death all cells cease to function and despite popular opinion hair and nails do not grow after ...
|
| Hair genetics | 6/26/2009 |
Q: I was wondering if you can solve my query. Both my partner and I have red hair - I have black/brown ...
A: Dark pigments are dominant over light. Red heads with brown eyes are less common then red hair and ...
|
| Is marine biology a good base for vet school? | 6/20/2009 |
Q: I saw you answer an earlier question related to marine science and vet school, but my question is ...
A: It looks to that the ideal job for you is as a vet specializing in the health and care of marine ...
|
| appearance of blood drained body. | 6/18/2009 |
Q: In my fictional story, I wanted a young body to be found where it had been completely drained of ...
A: Since blood is mostly water a person can drink as much blood as water. I have seen a person drink ...
|
| Classification | 6/18/2009 |
Q: I need to explain, with an example, how technology has changed the way we classify an organism. The ...
A: The classification of all livings is based upon observable differences in morphology and in DNA. ...
|
| Itching and scratching | 6/18/2009 |
Q: What is the scientific basis for when we feel itchy in some part of the body, that we get this urge ...
A: The sensory neurons in skin, those that are stimulated by touch which include hot,cold,pressure, ...
|
| appearance of blood drained body. | 6/17/2009 |
Q: In my fictional story, I wanted a young body to be found where it had been completely drained of ...
A: I see a couple of problems here. IT woul dnot be possible to every last drop out of the body ...
|
| Itching and scratching | 6/17/2009 |
Q: What is the scientific basis for when we feel itchy in some part of the body, that we get this urge ...
A: It is thought that an itch is stimulation of free nerve endings, the skin receptors which are the ...
|
| blood glucose | 6/9/2009 |
Q: hope you can help why do insulin levels drop as soon as the blood glucose levels stabilize?
A: Hormones levels have set points that tend to fluctuate and these levels are controlled by feed back ...
|
| bones | 6/2/2009 |
Q: if you are unable to answer our Question and know of any one who is alble to help please e-mail me ...
A: I am not an Medical doctor and I cannot second guess the doctors you have visited. If I did so I ...
|
| hair | 5/26/2009 |
Q: if you are unable to answer our Question and know of any one who is alble to help please e-mail me ...
A: Genetic traits are dependent upon chance so all I can do is make an educated guess. In this case ...
|
| Scientific theory vs. law. | 5/21/2009 |
Q: and thank you for answering questions. I understand that a scientific theory ( evolution, ...
A: You notice that the words Theory an Law tend often to be interchangeable as with Germ theory and ...
|
| blood | 5/21/2009 |
Q: my question is that which one out of these is called as Universal recepient AB+ or AB- ANSWER: AB+ ...
A: The A and B refer to blood proteins. People with AB blood have both proteins. If you are type A you ...
|
| anatomy | 5/21/2009 |
Q: please tell me the websites where i can study the anatomy of human thorax.any other information ...
A: I believe that the best way to study anatomy is with an anatomy textbook. Go to the library and ...
|
| Scientific theory vs. law. | 5/20/2009 |
Q: and thank you for answering questions. I understand that a scientific theory ( evolution, ...
A: When something stands up to testing over time it is a Law There is a preponderance of evidence that ...
|
| Microscope | 5/20/2009 |
Q: I don't know much about microscopes, what kind of microscope should i buy (and what magnification ...
A: Most scopes come with magnifications of 40x 100x and 440x. To examine tissues you need 440x. For ...
|
| biology - nervous system | 5/19/2009 |
Q: I was wondering if you could please answer this question - What are excitatory and inhibitory ...
A: Neurotransmitters stimulate a neuron to began or stop a depolarization wave(nerve impulse). They ...
|
| Dog Urine | 5/18/2009 |
Q: My husband and I are having an issue with our elderly dog. He is now peeing everywhere in our house. ...
A: I wish I could help you Lauren but this is a medical problem, both for you and for the dog. I ...
|
| bio | 5/14/2009 |
Q: chest cavity is in normal position but when we inhale chest cavity increases than normal position ...
A: During inspiration the chest cavity increases depending upon how deep a breath you take. With ...
|
| pet urine, human urine and mold | 4/29/2009 |
Q: i just moved out of a house that is one year old, I am being sued by the owner.. he claims that a ...
A: AS you know this is a legal problem nd I can only speak to the biological one. Mold occurs under ...
|
| Reproductive cycle | 4/29/2009 |
Q: Oogenesis in the female results in one functional gamete, the egg, or ovum. What other cells are ...
A: Only one egg is needed for reproduction ih humans while millions are sperms are necessary. There are ...
|
| genetics | 4/28/2009 |
Q: Can my son get hair and eye color from his grandparents even if it differs from mine and my ...
A: Certainly! You and your husband have received heredity factors from your parents and you pass ...
|
| Stagnant, standing water | 4/25/2009 |
Q: My Fiance and I rent a house in Massachusetts. We moved in last Sept, {2008} Shorlty after, we both ...
A: First of all I am not a doctor nor a lawyer. I cannot connect your medical problems to the dirty ...
|
| water absorbtion in larg intestin | 4/25/2009 |
Q: how could osmosis be the cause of water absorption in large intestine when in end part of large ...
A: I am not sure what you mean by water concentration in the intestinal wall. The concentration ...
|
| How Long Can a Person Stay in the Water? | 4/25/2009 |
Q: I have a rather interesting question. I'm not going to get into how I derived at this question, but ...
A: I am not surprized that you cannot find a good answer to this question. The main problem is the ...
|
| what will my baby look like? | 4/23/2009 |
Q: i am 11 weeks pregnant and i know its pretty soon to know any thing or even the gender of the baby ...
A: Dark pigments always dominate over light pigments. Since you and your husband have dark hair eyes ...
|
| science project (biology) | 4/17/2009 |
Q: What's a good way to make a science project on a imaginary alien. It will be drawn. What will be a ...
A: First of all let me say that this scenario does not lend itself to scientific method. You can use an ...
|
| science project (biology) | 4/16/2009 |
Q: What's a good way to make a science project on a imaginary alien. It will be drawn. What will be a ...
A: I have been pondering this question for two days now and the problem is this. Science is based upon ...
|
| Experiment - measuring photosynthesis with diff pH | 4/13/2009 |
Q: long & interesting question..I carried out an experiment to measure the rate of photosynthesis( by ...
A: All chemical reactions including photo synthesis depend upon enzymes and enzymes operate within ...
|
| Experiment - measuring photosynthesis with diff pH | 4/13/2009 |
Q: long & interesting question..I carried out an experiment to measure the rate of photosynthesis( by ...
A: It looks like you carried out your study well except for the difference in the size of the plants. ...
|
| biology | 4/12/2009 |
Q: when, scientificaly, does life begin?
A: The question is controversial if we are talking about the life of a new individual. Some people ...
|
| Spore Formation | 4/11/2009 |
Q: How do spores form? I really don't understand the terns "germination" or "vegetative" cells. ...
A: It depends upon the spore but I assume you are thinking about reproductive spores which are formed ...
|
| Stem Cell Survey | 4/11/2009 |
Q: I am Vinit and I am conducting a survey on stem cell research for my college news paper. I would ...
A: 1. I support it 2. not that I am aware of 3.opposition on religious grounds 4.Only in a research ...
|
| planaria | 4/7/2009 |
Q: I am a high school student and trying to come up with a challenging science fair project. I would ...
A: Regeneration studies on planaria is easy. All you need are fresh water and of course planaria. ...
|
| Biology | 4/3/2009 |
Q: I was wondering if you could please answer this question. How is the activation energy for enzyme ...
A: Biochemical reactions are controlled by feedback mechanisms. One of them is end product ...
|
| Can bacteria convert milk to "butter"? | 3/30/2009 |
Q: I've heard that bacteria can easily digest and metabolize carbohydrates and proteins but cannot ...
A: There are species of bacteria that can metabolize anything including inorganic compounds (sulfur ...
|
| bio | 3/19/2009 |
Q: at one time blood was only transfused from younger individuals to the elderly, it was believed that ...
A: If an older person is anemic then a transfusion would in crease energy but old people do not have ...
|
| selection nd evolution | 3/16/2009 |
Q: what is stabilizing selection and disruptive selection....how do they differ from each other??
A: Consider birth weight in human babies. We can construct a curve with the heaviest babies at one end ...
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| evolution | 3/16/2009 |
Q: what do we mean by isolating mechanism? how exactly does this helps to bring about evolution...
A: Darwin stated that there is variation among species. In a large population with a large gene pool ...
|
| speed of blood circulation | 3/3/2009 |
Q: yes... is there such a thing as "the speed of blood", like 100 miles an hour 0r 100 yards a second ...
A: Sure. Anything that is moving can be measured.The speed of blood however is measured over distance ...
|
| hazel eyes | 3/2/2009 |
Q: i have light hazel eyes and both of my parents have dark brown eyes. why is this? also when the ...
A: Eye color is due to pigments and there are multiple genes that determine the amount of pigments in ...
|
| biology | 3/2/2009 |
Q: You are given a polypeptide that is composed of five amino acids: methionine-valine-glutamine- ...
A: You must have a codon sheet in your textbook. ThesE ARE code for particular amino acids. For ...
|
| biology | 3/1/2009 |
Q: You are given a polypeptide that is composed of five amino acids: methionine-valine-glutamine- ...
A: This is the third time I have gotton the exact same question from different people. Are you a class ...
|
| Bullfrogs' not sleeping | 2/26/2009 |
Q: I learned this evening that bullfrogs do not sleep. I would like to know _why_ they don't sleep. ...
A: We have to define sleep. To us it is a form of unconsciousness with eyes closed and a predominance ...
|
| Genetics/Physiology | 2/25/2009 |
Q: My friend and I were debating whether you could theoretically engineer a snail to move quickly. Is ...
A: I have never considered this question before but from what I know about biology I would think not. ...
|
| bio | 2/23/2009 |
Q: i did this lab i was wondering a 50% sucrose solution is half sucrose and half water. Only the ...
A: 50% sucrose is half water. I assume you placed a bag with 50% sucrose in beakers with various ...
|
| bio | 2/23/2009 |
Q: how would red blood cells respond if they were placed in a a) hypotonic solution b) hypertonic ...
A: Osmosis is simple diffusion. Substances (in this case H2O)always move from a high concentration to a ...
|
| biology | 2/21/2009 |
Q: I am an young earth creationist so you know.I have two short opinion questions for you with follow ...
A: The Cambrian explosion and the fossil records give us evidence for an evolutionary process. ...
|
| biology experiments | 2/18/2009 |
Q: I have recently "inherited" a 7th grade biology class. I'm not a biology teacher but since nobody ...
A: Believe it or not teaching biology to 7th graders is about the easiest thing you can teach. Why? ...
|
| Biolodgy:Photosynthesis | 2/17/2009 |
Q: How does a plant and animal get glucose molecules?
A: These are extremely complicated chemical processes but to summarize; The producers (green plants) ...
|
| Left Brain Dominance | 2/12/2009 |
Q: I am a fifteen year old narrowing down topics for a science fair. I am interested in human ...
A: I do not believe it is too ambitious but I do believe it would be very difficult to design an ...
|
| Animal sight | 2/10/2009 |
Q: While I was watching Animal Planet, it hit me that a lot of times the narrator will talk about how ...
A: How and what animals see can be determined by studying the behavior and their place in a food web. ...
|
| gravity and size | 2/1/2009 |
Q: I am trying to find out what the effects of earth's gravity would have on a human body if that ...
A: Isaac Newton said that every body in the universe is attracted to every other body with a force ...
|
| biochemistry | 1/31/2009 |
Q: i am a MBBS 1st year student .request is that can u tell me the websites for biochemistry and ...
A: I am a firm believer that searching the internet for general information about these topics is a ...
|
| Science | 1/29/2009 |
Q: I'm in 7th grade and im doing a science faire project on " Dose second hand smoke effect plant ...
A: Ok Corey Your hypothesis is a guess as to whether tobacco smoke effects the growth of plants. What ...
|
| Organisms | 1/29/2009 |
Q: Why is there a limit to how big organisms can be? In what way does this limit hold true for all ...
A: All living thing have limits on their growth and it is controlle dby the DNA The largest animals ...
|
| biology help | 1/25/2009 |
Q: thnx a lot for the help but there is one thing that i am still confused about which is when we take ...
A: U replaces T in RNA Base pairing rule DNA-DNA DNA - RNA A-T A-U T-A ...
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| help in biology | 1/24/2009 |
Q: i am a second secondary student and i have a few questions for u!!! first could u explain to me the ...
A: Sure. DNA replicates a strand of mRNA according the base pairing rule A-U G-C T-A and C-G. The ...
|
| help in biology | 1/24/2009 |
Q: i am a second secondary student and i have a few questions for u!!! first could u explain to me the ...
A: You have so many questions here that it would take me pages to answer. In fact I would cover this ...
|
| nervous system | 1/24/2009 |
Q: i needto know the differnce between the nervous system and hormonal system..i can only think that ...
A: Actually the reflex arc would be a good way to do it because both sensory and motor neurons are ...
|
| blood types | 1/24/2009 |
Q: I know blood types can affect personality, but can your blood type affect health and metal status? ...
A: I have never seen any evidence that blood types have any effects on the body physically or mentally. ...
|
| hair strength | 1/24/2009 |
Q: it's me again, I heard that our scalp hair are strong and very elastic that each hair can cope with ...
A: Where are you getting all this information about hair? Coping with a strain of 100 grams? 100 ...
|
| DNA | 1/22/2009 |
Q: I have been taking more interest in science lately than I did when I was at school and I wonder if I ...
A: DNA represents a code made up of of 5 symbols A T G C and U (Found in RNA in place of T. These are ...
|
| biology | 1/21/2009 |
Q: 1. what cause muscle soreness during exercise? 2.why do cells produce more ATP under aerobic ...
A: 1. During exercise pyruvic acid is degraded by fermentation and a byproduct is lactate. Lactate ...
|
| eating | 1/19/2009 |
Q: Why do humans and animals have to eat and drink to stay alive? Why doesn't eating alone do the ...
A: Water is a solvent. Body chemistry depends upon organic molecules in solution. The system system ...
|
| biology(crocodiles& repltiles) | 1/13/2009 |
Q: most reptiles do not care to thier young ,but some crocodiles do why is that?
A: Why questions are in the realm of evolutionary biology. Care of the young is controlled by the DNA ...
|
| 1st grade experiment | 1/12/2009 |
Q: Hintz, I'm a stay home mom knows very little about science. My 6 years old started a science club ...
A: The best way would be to culture the bacteria from the hands. To do this you will need some media ...
|
| cellular respiration | 1/11/2009 |
Q: In my Biology class we are working on Cellular Respiration and I am having some trouble. I ...
A: Cellular respiration is the metabolic process by which glucose is broken down into water and CO2 ...
|
| Whose mouth is clearner a dog or a human | 1/10/2009 |
Q: How do I count the colonies in my dish? Any other information that can help me in my science fair ...
A: Have you already performed this experiment or are about to. Which is it. Either way you should ...
|
| yeast metabolism | 1/7/2009 |
Q: Hintz I want to know about yeast metabolism I'm in seventh grade. Thank you.
A: Yeast is a fungus and a saprophyte. It gets its energy from non living organic material. There are ...
|
| Weight reduction after death? | 1/5/2009 |
Q: I hope this finds you in good health and spirits! My question belongs in the 'curio' department, ...
A: This idea came from an experiment carried out by a doctor in 1907 and the figure was 21 grams not ...
|
| human body | 12/25/2008 |
Q: Sir Human body contains both nitrogen as well as glycerol(by the digestion of food),then why these ...
A: I cannot answer the question about nitroglecerin but the basic laws of chemistry determine how ...
|
| Menstrual "Bleeding" in Animals? | 12/21/2008 |
Q: I've read on this site that non-marsupial mammals do have menstrual cycles "of a sort." My question ...
A: Menstrual cycles are characteristic of Primates (apes and humans). Other placental mammals have ...
|
| Human anatomy | 12/16/2008 |
Q: Sir, I would like to know why the blood vessel going from the right ventrical our heart to our lungs ...
A: All vessels carrying blood away from the heart are referred to as ateries and vessels carrying blood ...
|
| meiosis | 12/13/2008 |
Q: 1. explain how does meiosis lead to variation 2.explain how mutations lead to evolutinary change
A: During meiosis the paired genes separate. Assume an egg carrying a gene for blue eyes and a gene ...
|
| please help me study for finals | 12/11/2008 |
Q: i need to identify interactions that occur within communites. and was wondering if you could help ...
A: Almost all inteactions within a community are trophic. Read up on food webs. The recovery of an ...
|
| trihybrid cross | 12/8/2008 |
Q: In my biology class we were given the assignment to create a trihyrbid cross for the following ...
A: Here is your F1 cross BBRRSS x bbrrss F1- BbRrSs Phenotype is Black ,rough and ...
|
| reg behaviours | 12/1/2008 |
Q: I have seen number of people who are basically male biologically but exhibit female behaviours. I ...
A: There is no such thing as 100% male or female. Look at this ...
|
| digestive system | 11/29/2008 |
Q:
A: This is an artistic endeavor and I am afraid that you have asked a person with very limited artistic ...
|
| Marine Biology Teaching | 11/27/2008 |
Q: im 16 years old and a junior in High School In California. And ive been thinking alot about college ...
A: Do some self study on your own on biochemistry. Look for a college biochem book and study it. Most ...
|
| Marine Biology Teaching | 11/27/2008 |
Q: im 16 years old and a junior in High School In California. And ive been thinking alot about college ...
A: You must first get a degree in general Biology which takes four years. Marine biology is graduate ...
|
| does ciggarette smoke effect plants | 11/25/2008 |
Q: but the thing is i know othing about this topic and im already behind in my project.I haven't even ...
A: Smoke can effect plants depending on how much smoke is involved. To set up your experiment so that ...
|
| About practical statement | 11/24/2008 |
Q: In the practical/experiment questions, if it ask "account fully for your results as fully as ...
A: When reporting the results of a scientific study you have to include all data and your conclusions ...
|
| Carrers in Wildlife Biology | 11/16/2008 |
Q: I have a bachelors in biology and did not continue on in the field for 5 years. Now I wish to ...
A: I cannot tell you much about what to say on applications but I have a suggestion for you. I do not ...
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| My baby´s eye color. | 11/6/2008 |
Q: Hintz, I know that you probably get a lot of mails about this subject, but I also as a new becoming ...
A: You are correct Natalia. I get questions like this a lot and all I can do is make predictions based ...
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| Whose mouth is cleaner a dog's or a human's? | 11/5/2008 |
Q: Hintz, I'm very honored to have the chance to ask an expert a question! Well, I'm going to ...
A: In the scientific method you first decide on a problem or question You have done this. Which mouth ...
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| biology | 11/4/2008 |
Q: Have severe and rapid changes in the earths ecosystems acted like a catalyst towards the ...
A: Consider the insect population in an equatorial area and the tundra for example. Organisms fit ...
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| potato and salt water cells | 11/3/2008 |
Q: What are the properties of salt water and potato cells? i have searched all over for this answer ...
A: Osmosis is the movement of water across a semipermeable membrane. If we put a potato in salt water ...
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| Biology - genetics | 11/3/2008 |
Q: Explain how DNA can be studied using gel electrophoreses.
A: I cannot explain the whole proceedure in this space but suffice to say the DNA segments are ...
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| Human biology | 11/2/2008 |
Q: I am doing my science GCSE early but I am only in year 9, do you know how I can revise without ...
A: He was an obstetrition in Vienna in the 1850s. Doctors were dissecting cadavers of woman who died ...
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| animal and plant cells | 10/30/2008 |
Q: compare the seperation of an animal daughter cell with that of a plant.
A: Dividing cells separate during late telophase. In animal cells there is an invagination with the ...
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| fish | 10/29/2008 |
Q: I took my 5 yr old grandson to our near by lake Aug. 17, we caught a what I thought was a minnow, in ...
A: When you say it is giving birth is it laying eggs or giving birth to live fish? If a live bearer ...
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| biology | 10/28/2008 |
Q: are human being still evolving? ANSWER: Yes. Evolution is a characteristic of all living things ...
A: This is difficult because Homo sapiens has not been around for very long and evolutionary changes do ...
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| science experiment | 10/24/2008 |
Q: Hintz, My daughter, Rebecca, and I asked you a couple of weeks ago about a science experiment she is ...
A: I am glad the study was a success. In the photo you sent the red blotch is a red mold. I also notes ...
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| biology | 10/24/2008 |
Q: Why does oxygen get released during the electron transport chain of photosynthesis? What must ...
A: It is a byproduct of photosynthesis Photosynthesis 6H2O + 6CO2>>>>>>C6H12O6 + 6O2 A ...
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| Biology12 | 10/23/2008 |
Q: I have a lab write-up. it's about the hypertonic a and hypotonic lab. we used potato cut it in same ...
A: All of these questions involve osmosis' 1. Distilled water is used so the desired salt concentration ...
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| Fungi? | 10/22/2008 |
Q: I have a yard on the side of my house that has a mound of dirt. There is not much water access or ...
A: They could be fingus spores but without seeing this up close I cannot tell. It does not sound like ...
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| Ozone? | 10/21/2008 |
Q: I was wondering if you would be able to answer the following questions for me: What is Ozone? What ...
A: Ozone is O3. It is found in quantity in the upper atmophere where it filters out ultraviolet rays. ...
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| fusion of chromosome 2 | 10/20/2008 |
Q: Well i have a friend who is a normal healthy 19 year old and she is going to have her second baby. ...
A: Incest does not necessarily result in serious mutation. Whether or not the father passed on this ...
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| Punnett square set up | 10/16/2008 |
Q: I'm having some difficulty setting the following up....In the radish plant,the long and round traits ...
A: Here is how I interpret this problem Ther eis incomplete dominance here. Crossing red and white ...
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| homeostatic | 10/13/2008 |
Q: .. could you give me an idea on what i have to do for one of my tasks..i have to choose to ...
A: Homeostasis is keeping the status quo. Take body temperature for example. Feedback mechanisms keep ...
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| Questions about hypertonic,hyportonic and isotonic solutions | 10/11/2008 |
Q: I am glad that i found a great site. i want to know about why water moved into or out of the potato ...
A: The movement of water through membranes is called osmosis and the movement always goes from an are ...
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| biology- ecosystems | 10/11/2008 |
Q: .. i needed your help to help me understand one of my coursework tasks.. it says i need to descrive ...
A: I am an ecologist but am unaware of a "greenfield" ecosystem. Are we talking about a grassland? In ...
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| bacteria experiment | 10/5/2008 |
Q: My daughter (Rebecca) and I are working through an experiment testing out the "Five Second Rule". ...
A: Without incuabtion the growth will slower and maximum growth should occur in about a day and a ...
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| bacteria experiment | 10/5/2008 |
Q: My daughter (Rebecca) and I are working through an experiment testing out the "Five Second Rule". ...
A: I cannot answer as to why the gel liquified unless ot got to hot. If you try again try incubating ...
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| science fair project | 9/29/2008 |
Q: ok we are having a science fair project and i need help finding out info for " How does Cigarette ...
A: Are you required to design an experiment for this project. If so you will have a problem finding ...
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| Transport in animals Z biology | 9/29/2008 |
Q: I dont understand what exactly this question talking about can you explain and how should i write ...
A: These blood cells are classified on the basis of whether or not they have granules. the structure of ...
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| Biology | 9/26/2008 |
Q: What are the important of Biology in Education
A: I am often asked this question. As a biologist I am amazed. We are living beings and biology is the ...
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| General Biology | 9/23/2008 |
Q: I know that diffusion and molecular weight are reversely proportional, but i don't understand why. ...
A: I am not entirely sure about this question. Diffusion however is the movement of molecules fron an ...
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| nitrogen cycle | 9/22/2008 |
Q: i need two examples of how nitrogen cycles from the abiotic portion of the environment into living ...
A: Atmospheric N is fixed in the soil by bacteria. It is absorbed in plants and the plants eaten by ...
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| Speciation | 9/21/2008 |
Q: I have some problems regarding many fields of biology, hope you can explain them to me. 1) If, given ...
A: 1. The best way to determine dominance and recessiveness is by comparing the numbers of those with ...
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| surface area to volume ratio | 9/15/2008 |
Q: i now understand a little how to work it out but i am tryin to work it out on a calcualator and when ...
A: Ok Jennifer So you have a cube with a side of 4cm. That means that the surface area is 96 sq cm ...
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| Counting colonies | 9/12/2008 |
Q: i grew two agar dishes. one with dog saliva and the other with mine.I put them in the attic and they ...
A: I assume there are a lot of colonies. If so here is what you do. Using a ruler Make a grid of ...
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| on ladybugs | 9/3/2008 |
Q: what investigatory project can i conduct using ladybugs?
A: You may want to do a life history study of these beetles. You will have to purchase a colony of them ...
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| growing samples | 9/3/2008 |
Q: I teach 3rd grade and we want to take samples of keyboards, phones, door knobs, etc and try to grow ...
A: Dissolve the bouillon cubes in the gelatin. The beef broth is needed for the food for the bacteria. ...
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| Science Fair | 9/1/2008 |
Q: Do you have any ideas for a project involvinhg ladybugs I could do for the science fair at my ...
A: The only thing I can suggest is a life history study. You can buy about 1500 ladybugs for under 20 ...
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| Tropical Forest | 8/26/2008 |
Q: I am working on a summer assignment for my AP Bio class. I'd like to know some interesting facts ...
A: I have visited the rain forest a number of times and I could write pages about it but unfortunately ...
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| science | 8/25/2008 |
Q: I don't mean to be rude but can you please tell me if it is true that when men ejaculate and release ...
A: It is true that sexual activity uses energy but the amount lost depends upon how much activity is ...
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| Brain.. | 8/23/2008 |
Q: All human beings have same kind of brain..I mean everyone's brain functions in a same way but still ...
A: The brain of a newborn baby is considered a tabula rosa (or blank slate) with no experiences or ...
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| dna | 8/18/2008 |
Q: i would like to know how we (humans) have advanced from all our knowledge about DNA. i've done some ...
A: The greatest gain is our ability to alter DNA. I am diabetic and I can live a good life because we ...
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| biology | 8/13/2008 |
Q: hey, my name is lauryn and im in 9th grade. im trying to find a testable science project but i cant ...
A: I have been thinking about the "throw like a girl" idea. I ca see some interesting possibilites ...
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| biology | 8/13/2008 |
Q: hey, my name is lauryn and im in 9th grade. im trying to find a testable science project but i cant ...
A: That means that you are to use the scientific method It is difficult to design a project about ...
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| Exercise | 8/10/2008 |
Q: Plz tell me that during exercise we tend to lose weight as well as our skin is reduced..How is this ...
A: Cells are always decreasing. New cells are also always forming When the cell production equals the ...
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| nerve impulses | 8/9/2008 |
Q: . I've read that nerve impulses are electric in nature..So is there any diference b/w the electric ...
A: An electrical current is a flow of electrons while a nerve impulse is a flow of ions across a cell ...
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| Wrinkling or fingers | 8/9/2008 |
Q: When our body is immersed in water for a while, wrinkles are formed on our fingertips.. Why these ...
A: The outer layer of the skin has dead cells of keratin that absorb water and swell increasing the ...
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| Iodine color | 8/8/2008 |
Q: Iodine changes the color of starch but not of glucose while both are the forms of carbohydrates..why ...
A: It depends uon the structure of the molecules. Iodine reacts with a component of a starch moleculs ...
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| weird bugs in my apartment!!! | 8/8/2008 |
Q: Hintz, I have a problem, i have these small bugs in my apartment and i need to find out what they ...
A: I believe these are plaster bagworms. Bagworms are caterpillars that build a small case and drag it ...
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| Kreb Cycle (Citric acid cycle) | 8/1/2008 |
Q: hey, not sure if you are the correct person to ask about this one, but everyone else is on ...
A: I always tell my students that to understand concepts like Krebs they must look at the whole picture ...
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| Does every human has different rod and cones? | 8/1/2008 |
Q: Sorry I don't mean to ask the same question again, but I have been told our cones and rod vary, ...
A: The photo receptors in all humans are the same. And the nerve impulses are all the same. It is in ...
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| Biology Questions | 7/31/2008 |
Q: I have two questions if you could please answer them in complete sentences. 1. Which exhibits more ...
A: Mammals exhibit more learned behavior then fish Learned behavior is more important to crocodiles ...
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| Biology question | 7/30/2008 |
Q: what is the difference between the concept of eco system evolution and species evolution
A: There are different definitions for evolution. Basically it means change. An ecosystem changes ...
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| Do human have the same biochemical system in our body? | 7/29/2008 |
Q: -Do human have the same biochemical system in our body, that we produce the same signal,flavour and ...
A: Well you ceratinly have a lot of questions here and also some false premises. First of all the ...
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| Reviving subject after freezing | 7/24/2008 |
Q: My purpose of writing in, is to hope to seek for an answer. Pardon me for my bad English. I would ...
A: Dead cells are dead cells and enzymes cannot re activated. I do not know any specific studies but a ...
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| Reviving subject after freezing | 7/24/2008 |
Q: My purpose of writing in, is to hope to seek for an answer. Pardon me for my bad English. I would ...
A: When tissue is frozen slowly ice crystals form in the cells and the cell is destroyed. Some ...
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| Taxonomy | 7/3/2008 |
Q: I study in india in class 11th. I like biology but am weak in some areas. At present we are studying ...
A: Separating living things is done by discovering what they hae in common. For example what do ...
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| Does every human taste receptor work differently? Do we enjoy the same kind of taste sensation? | 7/1/2008 |
Q: I understand no human taste receptor work exactly the same,does all the normal human taste receptor ...
A: We cannot really tell what other people taste anymore then we can tell what color they see. AS long ...
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| Does every human taste receptor work differently? Do we enjoy the same kind of taste sensation? | 6/30/2008 |
Q: I understand no human taste receptor work exactly the same,does all the normal human taste receptor ...
A: First of all Rambo you must distinguish between taste and flavor. We taste sweet.sour,salty.and ...
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| the route of a drop of blood | 6/27/2008 |
Q: what is the route of a drop of blood from the superior vena cava.
A: S. Vena cava-Right atrium- r. ventricle-pulmonary artery-lungs-pulmonary veins-left atrium-left ...
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| Hair and Eyes of my baby... | 6/24/2008 |
Q: I hope you can be more helpful and maybe more nice than that of the previous person I sent this to: ...
A: Since your maternal grandfather had blue eyes you may be carrying that gene and due to the lightness ...
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| Biology | 6/17/2008 |
Q: My son needs help with a question that is on a paper he has to do. I hope you can help. I saw that ...
A: There is no formula for protein synthesis. and it is a very complicated process involving the ...
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| Biology | 6/15/2008 |
Q: Is fire alive and what are the properties of life?
A: In my biology classes I light a candle and ask my students to write a convincing argument that the ...
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| genetics | 6/15/2008 |
Q: why the parthenogenesis is possible in frog but not in mice?
A: Why questions involve evolutionary biology and parthenogenesis has developed in animals other then ...
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| sharks/blood | 6/4/2008 |
Q: sorry I know this isn't exactly your area, but I couldn't see any other "experts" who might answer ...
A: We have a tendency to compare our senses to those of other animals. That doesn't work The sense of ...
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| Is my Jack Dempsey dieing or is she pregnant? | 6/4/2008 |
Q: my jack Dempsey was running low on food for a few days. I made it to the pet store finally but the ...
A: It sounds like a problem with her swim bladder. I had a similar problem a few years ago with a ...
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| General/ Curious | 6/2/2008 |
Q: Why is it important for me as a student to study cells? And how does cell functions benefit me in my ...
A: If you are studying biology you must understand the cell because it is the basis of a living ...
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| biology | 5/31/2008 |
Q: i have to make a project on biology.the topic is LIFE UNDER A MICROSCOPE.i am not getting ...
A: You will have to make a list of the types of microscopic organisms and then research them ...
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| horse genetics punnet square | 5/30/2008 |
Q: I have to do two punnet squares but im not sure how to set them up? I was wondering if you could ...
A: This is a rediculous genetic problem. I never saw anassignment of a four trait cross, but here is ...
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| Microbiology | 5/28/2008 |
Q: A teacher asked us how to explain how does a spiral honey glazed ham stays preserved. It has to do ...
A: The structure of the cell membrane is difficult to see but it thought to have bilevel plasma like ...
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| Microbiology | 5/28/2008 |
Q: A teacher asked us how to explain how does a spiral honey glazed ham stays preserved. It has to do ...
A: The tonicity has to do with the cellular water content in relation to the extracellular water ...
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| Levene's Tetranucleotide theory | 5/26/2008 |
Q: I am reviewing material for exams and one of the objectives is: Outline how the tetranucleotide ...
A: The concept of DNA as the genetic material is well established with the completion of the human ...
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| help trying to improve my studys | 5/24/2008 |
Q: can you tell me what are two ways recombinant bacteria are used for human applications
A: I am a diabetic and I take insulin. The insulin I take is human insulin manufactured by genetically ...
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| rinsing dishes | 5/21/2008 |
Q: my partner when he does the dishes doesn't rinse and it bothers me because I firmly believe you ...
A: There have been studies showing that children can be poisoned by ingesting detergents. But only if ...
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| night vision | 5/18/2008 |
Q: I have recently found myself very interested that cats and other animals can see much better in the ...
A: Very interesting thinking Leigh. I have never heard of such studies being done on humans. Our ...
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| AGAR | 5/18/2008 |
Q: I bought 2 viles of agar for a science fair project.The directions said 1/2tsp of agar to 1 cup ...
A: The agar should work as long as it is a gel. Follow the directions on the product not what the ...
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| Converting Units | 5/16/2008 |
Q: I'm having trouble understanding unit conversions. My question is suppose that, from measurements in ...
A: 1 micon (micrometer = 10 to the -6 meters so 1 square micro would equal 1 x 10 to the -12 square m ...
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| science | 5/12/2008 |
Q: i need to know what continent is the desert biome on?
A: Every continent has a desert biome. A desert is any area that gets less than ten inches of rain a ...
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| Worms in drain pipes | 5/12/2008 |
Q: Much to my wife's shock tonight, she notice some small white worms floating in the bath water. Upon ...
A: You can send the photos to waltjh@sbcglobal.net. These sound like maggots from drain flies. They ...
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| Animal Cloning | 5/10/2008 |
Q: I'm a high school student and I have been researching about safety and the animal rights of animal ...
A: We are already harming animals to improve our lives. We are killing them for food. Whether or not ...
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| bateria | 5/10/2008 |
Q: We have a 8 day old crop of bacteria we grew in the agar gel in 12 different petri dishes. Is this ...
A: Without examining every colony on a petri dish it is hard to tell which are harmful so it is a good ...
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| Biology | 5/8/2008 |
Q: What component is present in every part of a loop, such as one that involves proteins producing ...
A: Would you satisfy my curiosity. I have been receiving these same questions for a couple of years. ...
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| biology | 5/6/2008 |
Q: i have to prepare a good project for my biology subject . i am in class-9 and need some interesting ...
A: Since I do not know where your interests lie it is hard for me to select a project so here is what I ...
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| help please | 5/3/2008 |
Q: how does the DNA nucleotide sequence determine the amino acid sequence in a protein?
A: The DNA makes mRNA according to the base pairing rule A-U T-A C-G G-c Three sequence ...
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| horror | 5/3/2008 |
Q: i was watching the hills have eyes, which is a movie about an abnormal family that lives in total ...
A: This was just a movie Aaron. I suppose it is possible that a bunch of crazy people might be ...
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| Behavioral science | 5/2/2008 |
Q: Write a 350- to 700-word response identifying the major regions of the brain and what functions of ...
A: Hey Adam; I am sorry but I do not have time to write essays for anybody. All experts is a free ...
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| Body Temperature - Heat | 5/1/2008 |
Q: Our body temperature is approx. 36,6 degrees. Why then do we feel so hot at temperatures of, say, 30 ...
A: Normal body temperature is 37.5 C but varies in individuals. How you "feel" is relative. Some ...
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| Pregnancy and smoking | 4/30/2008 |
Q: Greetings sir, I am a school student studying biology at school and we are currently covering up the ...
A: Keep in mind the the cord is the avenue of transfer of blood between the mother and the placenta. ...
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| field of view | 4/29/2008 |
Q: How do I calculate the field of view for 400x objective? After I have calculated FOV how do I ...
A: If you have measured the width of the field all you have to do is estimate how th cell fits into the ...
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| i was asked to give 2 examples of the difference between genotype and phenotype and i only have one | 4/23/2008 |
Q: what 2 examples would you give for the difference between phenotype and genotype?
A: Easy question gerald. here are a couple 1. I have brown eyes. That is my phenotype I have ...
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| Biology | 4/21/2008 |
Q: What are the advantages and disadvantages of asexual reproduction?
A: Asexual reproduction does not require any meiotic division which lessens the possibility of problems ...
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| Brainwaves | 4/18/2008 |
Q: I have been looking up brainwaves, theta, alpha etc as a matter of curiosity. However I was ...
A: Keep in mind that brain waves are a measurement of neuronal activity involving the flow of positive ...
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| enzyme and hormon | 4/17/2008 |
Q: what is the difference between enzyme and hormon ?
A: All enzymes are proteins and act as catalysts. They start or speed up a chemical reaction but are ...
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| Biology Major | 4/12/2008 |
Q: I understand that you have been teaching biolgy for over 50 years so I ask, what is you advise for ...
A: Good for you. Since you are a senior I assume that you have taken your high school science courses. ...
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| seminar | 4/12/2008 |
Q: Most of the students that study in biology fields here in our university are those whom couldn't be ...
A: The best way to study biology is to do things. Any hands-on activity usually stimulates interest. ...
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| human heart | 4/12/2008 |
Q: I've check all the sites that I now but none of them has given me the information that i want....so ...
A: To be honest Steph, I have never seen a really good heart model. Making a really three dimensional ...
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| biology | 4/11/2008 |
Q: IN rabbits,solid black fur color is dominant to spotted fur. A rabbit is found to have black fur. ...
A: Let B = Solid black b = spotted Black rabbit is either BB or Bb There are two ways to ...
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| biology | 4/11/2008 |
Q: In birds, long tail feathers ara dominant to short tail feathers. aheterozygus male is mated with a ...
A: Let R = round r = wrinkled Parent plant genotype is Rr Cross is Rr x Rr R ...
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| plants | 4/10/2008 |
Q: 1.why is it advantageous for plants to have a vascular system? 2.what are meristems and how are they ...
A: The plant requires the movements of food and water. It is the vascular system that carries this out ...
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| biology | 4/10/2008 |
Q: In birds, long tail feathers ara dominant to short tail feathers. aheterozygus male is mated with a ...
A: Let L= long feathers l = short feathers Male in question is Ll Female is ll parents of the ...
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| Marine Biology | 4/7/2008 |
Q: I'm 16 years old and I want to be either a physical therapist or marine biologist, but I'm leaning ...
A: All ecosystems operate under the same conditions but the orgaisms differ Ther are two places near ...
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| the biologist inside of me | 4/3/2008 |
Q: I’m currently studying molecular biology at university, but my real dream is to work as a researcher ...
A: Good for you Giulia. The field biologist is becoming a dying breed as many young biologists are ...
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| Marine Biology | 4/2/2008 |
Q: I'm 16 years old and I want to be either a physical therapist or marine biologist, but I'm leaning ...
A: Marine biologists do study ecology as do freshwater biologists. Both fields require extensive ...
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| I have a question about marine biologists... | 4/1/2008 |
Q: Wintz. I am researching to be a marine biologist, and I can't seem to find anything that will ...
A: Marine biology covers a wide area. It involves not only the study of living sea creatures but the ...
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| Questions about blood color | 3/31/2008 |
Q: Why is old blood brown? Is brown blood oxygenated or deoxygenated? When fresh, deoxygenated blood is ...
A: There is a multitude of questions here so I start with the basics. Hemoglobin is red in color. In ...
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| cell division | 3/31/2008 |
Q: 1)how many mitotic divisions are required to produce 512 cells from a single cell? 2)how many ...
A: This is simply geometric progression. With each division the number is doubled So for question ...
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| Ova | 3/30/2008 |
Q: I'm having difficulty finding out some basic biology facts. I know that when girls are born, all of ...
A: There are about 2000,000 immature ova at birth and around 300,000 at puberty. Don't ask me how they ...
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| Biology | 3/27/2008 |
Q: I'm an Asian form 4 student (equivalent to grade 10) currently studying the geotropism of plants. ...
A: I was unaware of the space study regarding geotropism so I cannot answer you question but it seems ...
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| PLEASE HELP!! | 3/26/2008 |
Q: For a science project in my 8th grade science class I recently asked you a few questions about ...
A: Hey Julie anne 1.The Ohio State University BS Ed and M Sc 2.I did study botany. I liked ...
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| Eye Color? | 3/26/2008 |
Q: My eyes are a reddish brown color, my mom's are the same as mine. My dad's are hazel-green. My ...
A: AS you can see there is not just a single eye color like brown or blue but variations between. This ...
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| YEASTS ABILITY TO GROW WITH DIFFERENT SUGARS | 3/26/2008 |
Q: MY DAUGHTER IS IN 4TH GRADE AND HAS A SCIENCE FAIT PROJECT! HER PROJECT IS TO DETERMINE IF DIFFERENT ...
A: This is an ambitious project for a 4th grader. What you have to measure is the rate at which yeasts ...
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| dishes left in the sink | 3/25/2008 |
Q: I work in a busy office where there is a large tendency of employees leaving dirty dishes in the ...
A: Unwashed dishes with food left on them certainly could be a health risk especially if things like ...
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| biochemistry | 3/25/2008 |
Q: I am doing a research report about possible career choices and was wondering if you could give me ...
A: Biochemistry is the chemical study of living organisms. It involves cellular biology and the ...
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| Marine Biology | 3/24/2008 |
Q: I am doing a report on possible careers choices and I was wondering if you could give me a general ...
A: Marine Biology is a wide area of study. All the way from studies of algae to the marine mammals. ...
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| genetics | 3/23/2008 |
Q: a space probe discovers a planet inhabited by creatures that reproduce according to the same genetic ...
A: You did not mention the tall short phenotypes so I cannot comment on that Parents were both AaSs ...
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| botulism | 3/23/2008 |
Q: My refrigerator blew a fuse the other day and it took me 14 Hrs. to catch it as I thouhgt the light ...
A: The vegetables should not be a problem. If the milk is not sour you can still use it. Get rid of ...
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| Microbiology | 3/22/2008 |
Q: I am interested in finding out what organisms will grow on beef/chicken broth agar plates. I just ...
A: You will need to Gram stain them to get a idea as to what they may be. Do a little research on what ...
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| diaphragmatic breathing | 3/21/2008 |
Q: How exactly does the diaphragm work? are there any special enzymes working? i need help ugh!
A: It is a muscle and like all muscles it contracts. It changes the volume of the chest cavity. When ...
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| oxygen cycle | 3/21/2008 |
Q: what are the steps that a molecule of oxygen must take from your living room to your ckin cells?
A: When you breath in the molecule passes through the bronchi to the alveoli of the lungs. It then ...
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| Neurons | 3/21/2008 |
Q: what is a neron and where are they located? Thank You. ANSWER: A nerve cell and they are located ...
A: The nerves carry all information to and from the central nervous system. Central nervous system ...
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| thank you very much!! | 3/20/2008 |
Q: Describe the life history and reproduction of the common toad. Why are hens' eggs very ...
A: You are the third student that I have gotten these same questions from. The first question needs a ...
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| thanks for the help | 3/20/2008 |
Q: Is fertilization necessary in the production of eggs? Describe the development of the rabbit ...
A: Are the eggs you buy at the stire fertile? No This question is too long to answer and you can ...
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| i dont get this | 3/19/2008 |
Q: Why do plants and animals that live in the water have a simpler reproductive process than the ...
A: First question It has to do with fertilization. All fertilization requires a liquid environment. ...
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| help me | 3/19/2008 |
Q: Compare the differences in parental care in the case of fish, birds, and mammals.
A: Care in fish varies. Most fish lay and fertilize eggs and then the young are on their own. A few ...
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| human reproduction | 3/16/2008 |
Q: Does drinking Mountain Dew soda affect a boy or man's sperm count? (This was an anonymous question ...
A: Mountain Dew is just another flavor of a carbonated beverage. This idea comes from some suggestion ...
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| age of fossils | 3/16/2008 |
Q: How the age of plant and animal fossils is determined
A: There are different ways. One way is by noting their position in the layers of the Earth. A ...
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| biology help | 3/14/2008 |
Q: Of what advantage is the formation of many more sperm than egg cells? Explain the difference ...
A: The sperms must locate the egg which is immobile and the odds of a single sperm finding it are not ...
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| Why Oxygen | 3/14/2008 |
Q: Oxygen is the third largest Gas in our atmosphere. Then why did all organism evolve to use Oxygen as ...
A: Why questions are always tough and are in the realm of evolutionary biology but the answer lies in ...
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| Transport in Plants | 3/14/2008 |
Q: i need to make 5 questions about "transport in plants" topic can u give me examples of 5 different ...
A: 1. What tissue transports water in vascular plants? (xylem) 2. What tissue transports food in ...
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| human body | 3/12/2008 |
Q: Why is it that head hair and nails keep growing but eyebrows, eyelashes, and body hair only grow to ...
A: Hair does not stop growing but slows down sooner in some areas then others like eyebrows, lashes and ...
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| Biology, enzymes | 3/11/2008 |
Q: I understand that most enzymes are usually proteins but how exactly do they work? And how are ...
A: First of all keep in mind that all enzymes are proteins. Secondly the "how" questions are difficult ...
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| Need Explanation on a previous answer | 3/11/2008 |
Q: 9.Which of the following situations is most usual for a dominant allele that results in severe ...
A: I looked at the question again. I believe the question is ambiguous since the term "most usual" is ...
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| sore throat | 3/11/2008 |
Q: A patient with streptococcal sore throat takes penicillin for two days of a prescribed 10 day ...
A: Studies that it takes time for an antibiotic to completely get rid of a pathogen. With strep 10 ten ...
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| high school biology | 3/10/2008 |
Q: Can you help me calculate the efficiency of glycolysis if the number of ATP molecules produced ...
A: It is my understanding that the efficiency of glycolysis is very low at about 2%. I am not sure if ...
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| Biology | 3/7/2008 |
Q: Describe, with suitable diagrams how molecule of oxygen gets from the air outside the body into the ...
A: I cannot create diagrams over the internet. O2 enters the lungs and alveoli through inspiration ...
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| Becoming one flesh | 3/7/2008 |
Q: I have a bio-sexual question that I have had a hard time finding an answer to. After sexual ...
A: You have raised interesting questions and I did a little research on the topic. It is difficult to ...
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| Becoming "one flesh" | 3/7/2008 |
Q: I have a bio-sexual question that I have had a hard time finding an answer to. After sexual ...
A: I do not know where you got the idea that semen is absorbed into the female body but it is not. It ...
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| Microscope Question | 3/4/2008 |
Q: I was just wondering what created the difference between a compound light and electron microscope. I ...
A: Lenses are designed to magnify electromagnetic waves. With A light microscope light rays are bent by ...
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| Human electricity | 3/3/2008 |
Q: can you describe to me the nature of electricity in the human body, or more precisely the human ...
A: The electrical patterns in the body consist of the flow of ions across the cell membrane. This is ...
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| science | 3/3/2008 |
Q: Explain evaporation of the lungs Explain how excretion is common to both plants and animals Thank ...
A: I assume what you mean by evaporation is the loss of water through the lungs. Water leaves the ...
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| animal urine | 3/2/2008 |
Q: I have a 40 year old friend who lives with her 2 year old, 7 year old, and 60 year old mother. They ...
A: The pet urine in itself is not a source of illness but if the people are lax in this regard then ...
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| science fair | 3/1/2008 |
Q: See I though it might be interesting to doa project on the magical eye, blind spots, lefties and ...
A: You have a number of ideas here. I am not sure what the magical eye is. The blind spot and ...
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| Questions about my science experiment | 3/1/2008 |
Q: I am doing an experiment about germs in dog and human mouths. I used petri dishes, 2 for 2 dogs and ...
A: Without staining these colonies I can only make a guess. The red colonies could be a species called ...
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| I do not know how! | 3/1/2008 |
Q: How do you cross a tryhybrid cross -BbAaRr with BbAaRr?
A: Easy You have three pair of heterozygous alleles. I assume you know how to set up a punnett ...
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| Female Dog Urine | 2/28/2008 |
Q: I hope you can help me. I have a very happy and healthy German Shepherd Bitch. Unfortunately we ...
A: There is no reason to suspect that a dog's urine is any more dangerous to a child than the child's ...
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| The Study of Biology | 2/26/2008 |
Q: Can you check these answers of mine, for me? ...
A: Her Father is country star Billy Ray Cyrus who also plays her father on TV. They called her smiley ...
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| Hello | 2/26/2008 |
Q: For a project at school i need to write a short biography about an expert so could you answer these ...
A: I am a biology teacher in a college Title is Adjunct Instructor Teaching biology classes Every ...
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| The Study of Biology | 2/25/2008 |
Q: Can you check these answers of mine, for me? ...
A: The questions I did not mention are correct. The ones I listed are ones I corrected. I answered # ...
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| The Study of Biology | 2/25/2008 |
Q: Can you check these answers of mine, for me? ...
A: Your answers are correct with these exceptions Destiny #5 is a bad question. The first law tells ...
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| Biology: Blood | 2/25/2008 |
Q: In which blood types, A, B, AB, or O, can the genotypes be determined without any knowledge of the ...
A: The genotype for AB is AB and for O is OO. The genotype for A or B cannot be determined without a ...
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| 8th grade science project | 2/25/2008 |
Q: For my science experiment I will need an expert to answer a few quesions for a written report on an ...
A: 1. biology teacher. Some botany with general biology 2.Degrees in biology 3.It is not hard. ...
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| Biology | 2/22/2008 |
Q: What are the roles membrane proteins play in multicellular organisms? Also, would you happen to ...
A: There are different proteins involved with cell membranes. The enzymes necessary to maintain the ...
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| Differences and similarities in a dogs, cats, and humans mouth. | 2/21/2008 |
Q: I am conducting an experiment to test whether a dog, a human, or a cat has the most bacteria in ...
A: The reason you are having a problem with finding information about this topic is because even though ...
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| bioenergetics | 2/18/2008 |
Q: Please clear my confusioncc.. We have studied in Respiration, that when one molecule of Glucose ...
A: I am not sure of the figures here. I do know that 1 g of carbohydrate produces 3.75 kcal not 7.1 ...
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| Digestion & espiration | 2/17/2008 |
Q: how is digestion and respiration linked together? i have tried looking on wikipedia and other ...
A: There are two interpretations about respiration. One involves the exchange of the gasses O2 and CO2 ...
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| Fermentation Rates Using Yeast | 2/17/2008 |
Q: Hintz Thank you very much for reading this message. I am planning an experiment into the rates of ...
A: During alcoholic fermentation 2 molecules of three carbon pyruvate are split (with water) into 2 ...
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| height during puberty | 2/16/2008 |
Q: ) I know this is not the best place to ask this question but ill give it a try. If its not possible ...
A: You are almost 18 and an inch short of six feet. I am not a physician or an expert on growth ...
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| The World of Bees | 2/14/2008 |
Q: We ,group of students from Syria ,al -Thowra City working on a project called "Bee kingdom…The ...
A: 1.The body shape is basically the same with the Queen being slighter longer 2. They have a ...
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| honey | 2/14/2008 |
Q: how can i tell the difference between real, pure honey and fake honey which is not natural and made ...
A: I have never heard of fake honey but real honey has a specific chemistry and can be analyzed. Go to ...
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| homozygous and heterozygous | 2/14/2008 |
Q: This is a bit odd but if a breeder wanted to determine whether the black rabbit (use of only black ...
A: When considering a dominant trait there is no way to tell if the animal is carrying a recessive ...
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| Highschool science project help | 2/14/2008 |
Q: I'm in a science research class and I need help on finding a topic for the science fair, but it has ...
A: How about a study on growing peanuts. Get some raw peanuts (google peanut seeds) Select a problem ...
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| Frozen Ova | 2/12/2008 |
Q: Hintz, I would like to ask if you know something about Frozen Ova. How it's done and everything. ...
A: There are a number of reasons why invitro fertilization is suggested. Normally the egg is ...
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| biology(osmosis) | 2/11/2008 |
Q: i place a potato in water for about 20 minutes what happened in terms of water movement?
A: Assuming the water was not salt water the potato would have stiffened because water entered the ...
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| Frozen Ova | 2/11/2008 |
Q: Hintz, I would like to ask if you know something about Frozen Ova. How it's done and everything. ...
A: Go to these sites; www.pregnancy-info.net/infertility_egg_cryo.hyml www.eggfreezingcenter.com ...
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| biology | 2/11/2008 |
Q: What is the difference between meiosis an mitosis
A: During mitosis the paired chromosomes are duplicated and the daughter cells have the diploid ...
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| Biology (the Heart) | 2/10/2008 |
Q: This really confused me: Suggest several reasons why there is so much fat associated with the heart. ...
A: I assume that you are talking about heart problems resulting form fats. The ailment that causes ...
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| Sex/ proteins | 2/10/2008 |
Q: Excuse the disgustingness/ graphic nature of my question, but I'm genuinely interested by my new ...
A: I guess that curiosity knows no limits. You are obviously very observent. I hesitate to answer ...
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| Scentific Method | 2/8/2008 |
Q: I don't really know how to answer this question and was hoping you could help me. Thanks so much, ...
A: Interesting question Abby. First review the steps in the scientific method 1. State the problem ...
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| Size | 2/6/2008 |
Q: I wondered if you could tell me something about the affects of size upon an animal, in particular a ...
A: We are as we are because that is what works best for survival. With regard to size we are subject ...
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| requirements | 2/3/2008 |
Q: My name is Julia and I'm 13 years old. I know I seem really young, but I have a love for marine ...
A: 13 is not too young to start thinking about how you want to spend your life and I cannot think of a ...
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| Mineral occurrence in Plants | 2/2/2008 |
Q: How does potassium occur in an Avocado? Is the extent of this mineral determined only by soil ...
A: If there is no K in the soil there will be none in the plant. it must be taken in through the root ...
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| botany | 1/30/2008 |
Q: Okay, I'm in the eighth grade and I have to have an expert that I can contact throughout my entire ...
A: If I understand it you are varying the amounts of water and not the amount of pollutants. Is this ...
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| botany | 1/30/2008 |
Q: Okay, I'm in the eighth grade and I have to have an expert that I can contact throughout my entire ...
A: Sounds ok Mariah. Make sure you use controls with respect to amounts of liquid, type of soil, ...
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| human body nerves | 1/29/2008 |
Q: i was wondering what the length of the human sciatic nerve is. i know that it is the longest and ...
A: It depends upon the size of the person. It starts by the lower vetebrae and extends ot the lower ...
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| Biology | 1/25/2008 |
Q: How does biology affect all other sciences? How would the world function without biology?
A: Biology is the study of life. If we know nothing about life processes then everything else is ...
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| Color Graphs | 1/24/2008 |
Q: My school requires us to enter a science project into a science fair(I'm a freshman) and i thought ...
A: I have been doing a lot of thinking about this study Ibi and I am going to be honest with you. ...
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| eye color | 1/23/2008 |
Q: My husband is hazel eyes both parents brown. My mom brown dad very light blue all three brothers ...
A: It appears that you and your husband are carrying recessive genes for light eye pigments and there ...
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| orbital rules | 1/22/2008 |
Q: i don't know how to find the atomic mass and the atomic number
A: Look at any periodic chart (google it) The large number at the top of each element is the atomic ...
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| biology question | 1/22/2008 |
Q: How many variables should an experiment have? ANSWER: Three variables independent dependent ...
A: It seems that you have two studies here. What is the hypothesis? Are you studying plant growth or ...
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| biology | 1/21/2008 |
Q: why is the 4-chambered heart called a " double pump"?
A: The 4 chambered heart works with two different circulatory systems. The right two chambers (right ...
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| Protein Digestion at Different pH levels | 1/20/2008 |
Q: I am doing an experiment to test the effect of different pH levels on the digestion of proteins. The ...
A: Apparently I am misunderstanding your procedures. I thought you were studying the effects of pH on ...
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| Protein Digestion at different pH levels | 1/19/2008 |
Q: I am doing an experiment to test the effect of different pH levels on the digestion of proteins. The ...
A: What you are doing seems logical. What proteolitic enzyme are you using? Since protein digestion ...
|
| Biology | 1/12/2008 |
Q: I am asking this question just out of curiosity. The cell theory states that all living things are ...
A: Do not confuse thought with the ability to respond to the environment. A protist (single cell) can ...
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| Strange white substance | 1/12/2008 |
Q: I mentioned to a friend in the USA that I had been searching for the answer to the following mystery ...
A: I have no connections in Portugal but I did some searching and discovered that there is The ...
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| Biology | 1/12/2008 |
Q: I am asking this question just out of curiosity. The cell theory states that all living things are ...
A: Interesting question. Thought is a function of a complex central nervous system. Systems are made ...
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| Strange white substance | 1/11/2008 |
Q: I mentioned to a friend in the USA that I had been searching for the answer to the following mystery ...
A: the Ocean between us makes it quite difficult for me to arrive at any conclusions from observing a ...
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| HEALTH | 1/11/2008 |
Q: WHAT ARE THE CRITERIA OF LIVING ORGANISMS ANSWER: All living things Move reproduce respond to ...
A: You cannot explain all life processes by observing living organisms. Movement in plants is ...
|
| micro / macro evolution | 12/31/2007 |
Q: Do you not distinguish between micro and macro evolution? The US National Science Foundation and ...
A: Fossil evidence is no longer needed to support macroevolution. Evolutionary change is supported ...
|
| Respiration | 12/28/2007 |
Q: If a human inhales O2 and exhales CO2 where does the carbon come from? Is there a form of 'fusion' ...
A: Oxidation involves Redox reactions (oxidation/reduction) Enzymes stimulate the chemical reactions ...
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| Respiration | 12/28/2007 |
Q: If a human inhales O2 and exhales CO2 where does the carbon come from? Is there a form of 'fusion' ...
A: We get our Carbon from eating organic compounds. Energy is then stored in chemical bonds of ...
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| sleep&sex | 12/20/2007 |
Q: I have two questions to ask from you.This what I knew for some time but not knowing why. 1)Is there ...
A: 1.I am not sure about this but I think this might be an individual thing that not everyone ...
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| should we | 12/19/2007 |
Q: i have been given course work to find weather we 'should spend time in the sun' but all i have been ...
A: If I understand your question you are looking for the bad effects of too much time in the sun. Is ...
|
| Desert Biome Mentor | 12/18/2007 |
Q: I am 10 years old. I have an assignment that requires me to find a mentor. Would you be my desert ...
A: I agreed to help you but I cannot do your project for you. You have asked me to do your research ...
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| microbiology | 12/15/2007 |
Q: could u pls help me with this question thrown by my instructor? a. why do bacteria remain unstained ...
A: a)Go over again the gram staining procedure; 1. The bacteria are stained with a dark blue stain ...
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| PLEASE HELP!!! Urgent | 12/14/2007 |
Q: My Husband and I got married 2 years ago and had a daughter who is now 1 1/2 years old. He is of ...
A: Yes it is quite possible from the information you have given. More then a single pair of Genes? ...
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| PLEASE HELP!!! Urgent | 12/14/2007 |
Q: My Husband and I got married 2 years ago and had a daughter who is now 1 1/2 years old. He is of ...
A: This appears complicated and all I can do is make some general observations. First of all dark ...
|
| Completely stumped | 12/10/2007 |
Q: I've read through my books chapters for information and have come up empty handed for information ...
A: The synthesis of complex organic molecules is a function of living cells. Of course all synthesis ...
|
| How Taste Affects Smell | 12/9/2007 |
Q: I know you must be busy and am pleased that you will be able to help. Here is the list of questions: ...
A: 1.I am a college biology teacher 2.I teach biology classes 3. My classes involve some physiology ...
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| should we spend time in the sun | 12/7/2007 |
Q: Thank you
A: I would present it by making some qualifying statements like how long to stay in the sun and whether ...
|
| small intestine | 12/6/2007 |
Q: in biology class, we had a worksheet that said that we(humans) CAN NOT live without our small ...
A: I am afraid that you are on the losing end Jake. The main part of the small intestine (ileum and ...
|
| biology/fungi/bread molding | 12/6/2007 |
Q: What are your responsibilities? How does your position relate to my topic of molding/fungi in ...
A: I am a college biology teacher I understand the biology of the Fungi I needed a Masters degree ...
|
| Human Health | 12/6/2007 |
Q: I am not a Science Student, but please I like to know what could be responsible for abnormal health ...
A: This is a medical problem and could be a serious one. I am a biology teacher and not a physician and ...
|
| genetics | 12/4/2007 |
Q: what is the probable genotypes of parents in the following matings: checkered brown bird mated with ...
A: This is complicated but this is how it appears to me following Mendelian ratios 1st cross Both ...
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| biology!! | 12/3/2007 |
Q: so my question is an essay question and i am thoroughly confused! here goes: 1. what is the route by ...
A: 1.O2 is inhaled and enters the bronchi the bronchioles and into the alveoli 2. From the alveoli it ...
|
| Confusion about my test result. | 12/3/2007 |
Q: I am currently in my final weeks of my biology course. And I am at a point where going through my ...
A: 1.Muscle activity requires energy. ATP contains energu in a phosphate bond. A phosphate splits off ...
|
| Bio help | 11/26/2007 |
Q: Here is the question i was given: A man with hemophilia (a recessive, sex-linked condition)has a ...
A: Lets make a punnett square Let X = normal gene Let Xh = hemophilia Let XX = ...
|
| Biological Career | 11/24/2007 |
Q: Hintz, I am a high school student, and I just wanted to ask you a few questions on my ...
A: There are many areas of medical research that you should look into. There are jobs as technicians ...
|
| Genetic Engineering | 11/24/2007 |
Q: Translations of Ancient Sumerian texts by scholar Zecharia Sitchin place the evolution of our ...
A: I am not a follower of Sitchin nor his Ancient astronaut theories. As far as I know there is no ...
|
| hi | 11/19/2007 |
Q: are there low tech methods of prserving sperm? im feeling really anxious cuz i donated sperm via ai ...
A: I know nothing about "low tech" methods regarding sperm donation. I repeat that this should be ...
|
| hi | 11/19/2007 |
Q: are there low tech methods of prserving sperm? im feeling really anxious cuz i donated sperm via ...
A: These are strange circumstances you are talking about and I do not know exactly what you have gotten ...
|
| Vision of various species | 11/18/2007 |
Q: I've always assumed that human vision was about average by comparison to other animals, but I ...
A: Comparing color vision between humans and other animals is difficult since we cannot easily test ...
|
| Reproduction or Rabbits | 11/18/2007 |
Q: It's supposed to be on the reproduction in a commerically grown crop or livestock. I have picked a ...
A: Just like all other mammals rabbits reproduce sexually by copulation. Like cats and dogs they do ...
|
| Biology exam revsion | 11/14/2007 |
Q: I was wondering if you could help me out, my teacher hasn't replied to my email asking for help and ...
A: Active transport is movement of substances across the membrane against the concentration gradient. ...
|
| two-trait test cross | 11/14/2007 |
Q: what is the result of a two trait testcross if one is heterozygous for two traits?
A: I assume that the other is homozygous. Look at an example Flowers Let R= red and r = white ...
|
| Microbiology | 11/13/2007 |
Q: Good Evening, I am working on identifying my unknown bacteria that I obtained from my dogs mouth. I ...
A: If you have narrowed it down to the Genus that is as far as you will be able to go without special ...
|
| Biology exam revsion | 11/13/2007 |
Q: I was wondering if you could help me out, my teacher hasn't replied to my email asking for help and ...
A: Active transport is involved it moving some digested materials into the blood stream ...
|
| Can you help me again, please, Mr Hintz? | 11/13/2007 |
Q: again! I need help with two questions. 1.- If an individual exhibits the dominant trait, do you ...
A: 1. The genotype cannot be determined by observing the phenotype unless the trait is recessive since ...
|
| dog mouth vrs. human | 11/12/2007 |
Q: i have a question regaurding the procedure for the growth of bacteria. How many days/weeks should i ...
A: If you are growing bacteria on media plates it will only take 24-48 hours. The same bacteria are ...
|
| Biology revision for exams | 11/11/2007 |
Q: Could you please explain to me the process of Osmosis, i was ill when they explained it in class. So ...
A: By definition Osmosis is movement of water from an area of high concentration to an area of low ...
|
| action potential | 11/3/2007 |
Q: For the life of me I cannot figure out the deal with action potential and the whole depolarization, ...
A: It is not as complicated as it looks. It is difficult for me to explain it without making sketches ...
|
| DNA | 11/3/2007 |
Q: You are given a polypeptide that is composed of five amino acids: methionine-valine-glutamine- ...
A: Here are the codons AA Met Val Glu Lys Tyr tRNA AUG GUU GAU AAA UAU Anticod UAG ...
|
| Biology | 11/2/2007 |
Q: Can you direct me to a website/ or book that I can read about experiments using mouthwash, soaps, ...
A: Go to google and type in "Which mouthwash works best" and you can find some ideas and experiments ...
|
| cellular respiration | 11/1/2007 |
Q: how would animal life be affected by lack of oxgen in our atmosphere, in regard to celluar ...
A: You have to look at the big picture Eleanora. All energy comes from the sun and the nucleotides ...
|
| Photosynthesis/DNA BIO 1320 | 10/29/2007 |
Q: I cant really understand even though ive read it over and over. Chemiosmosis and its role in the ...
A: During the light reaction photons of light are captured. The photon knock electrons to higher orbits ...
|
| cellular respiration | 10/21/2007 |
Q: Function of cellular respiration, how many ATP's produced,important processes of Glycolysis,Kreb ...
A: Respiration is necessary to produce energy for life functions; Glycolysis occurs in the cytoplasm ...
|
| Investigatory Project(I.P) | 10/20/2007 |
Q: Sir, I would like to do an IP in Botany.I prefer it to be simple one on a relevant accessible topic ...
A: I had been getting some questions recently regarding plant responses to external stimuli. The ...
|
| cells/ organizms | 10/19/2007 |
Q: How would you describe interpendence of living organisms?
A: There are three unofficial Laws of Ecology that I teach my students; Everything has to go ...
|
| Biology | 10/18/2007 |
Q: 1. what component is present in every part of a loop, such as one that involves protiens producing ...
A: I have a strict policy about not answering test or homework questions. After you answer these ...
|
| infestation of itchy insects | 10/17/2007 |
Q: Me and my wife are having something crawl on us that cannot be seen but it does bite without leaving ...
A: It is next to impossible to identify something you cannot see. Do you see anything like small specks ...
|
| The senses | 10/15/2007 |
Q: Summarize the types of messages the senses recieve? When you have a cold, why is it hard to taste ...
A: It depends upon the sense. With vision the eye receives light waves and with hearing the ears ...
|
| Microbiology | 10/12/2007 |
Q: I am taking microbiology and passing by the skin of my teeth. I have questions in my lab manual ...
A: When gram stained red rods would be gram - rods and purple cocci would be gram + The pneumonia ...
|
| memory | 10/12/2007 |
Q: I'm 47 years old and I'm in my first year of college. I would like to know if there is a good way to ...
A: Good for you Jim. Unfortunately I am not an expert in this area. There are quite a few tricks that ...
|
| science | 10/11/2007 |
Q: how could photosynthesis and cellular respiratory be considered complementary processes
A: They are opposite chemical processes. Chemical changes that are reversible. During photosynthesis ...
|
| human body | 10/11/2007 |
Q: A discover magazine web article states that 90 percent of the cells in the human body is not human ...
A: I believe this is a generalization. The author is considering other microbes as well as bacteria ...
|
| TickleMe Plants | 10/7/2007 |
Q: How come my kids TickleMe plants moves when I tickle them and even sleep at night or when i place ...
A: I am unsure of your background in biochemistry and plant anatomy so I simplified the answer ...
|
| biology | 10/5/2007 |
Q: How does the density of ice compare with the density of water? Use specific values and proper units ...
A: Density is based upon the density of water and water is 1 gram per cubic cm. Water reaches maximun ...
|
| forehead | 10/2/2007 |
Q: Could you tell me, where does the forehead start from? I have this link ...
A: The usual definition is that the forehead is the part of the face above the eyes so the keyword ...
|
| bio | 10/2/2007 |
Q: can u please help me understand the electron flow in light reactions of photosythesis
A: This is difficult to answer Laura without diagrams and understanding what you already know. Suffice ...
|
| microbiology | 10/1/2007 |
Q: My question is probably not like many that you have received before. I am 35 years old and ...
A: First of all let me congratulate you for making the effort to enter a new profession. I am teaching ...
|
| college ap | 9/29/2007 |
Q: i am having trouble with atomic weight what is it and how do i get? i have a chart but i am ...
A: The atomic weight (really the mass) is the combined mass of the protons and neutrons. Maybe your ...
|
| biology (asap plz) | 9/28/2007 |
Q: A person carrying a heavy bag normally finds the impact of the weight differently if he carries it ...
A: The perception of the weight depends upon different factors such as the distribution of the weight ...
|
| Surface area to volume ratio | 9/26/2007 |
Q: Please can you explain how to calculate surface area to volume ratio and give an example for me to ...
A: Correct Let me give you one more example If we use a side of 10 cm SA is 10 x 10 x 6 = 6000 ...
|
| biology | 9/25/2007 |
Q: Give examples that would demonstrate the differences between the terms niche and habitat.
A: The habitat is where an organism lives and the niche is the relationship between the organism and ...
|
| Biology | 9/23/2007 |
Q: I will have Associate degree in Biology in 2008, and I am planning to go for Bachelors' degree. But ...
A: I am not an expert in job counseling but there are some things you could do in the areas of ...
|
| bio | 9/20/2007 |
Q: what is the connection between telomerase and aging
A: You have been asking me homework questions that I usually do not answer. Furthermore these ...
|
| biology | 9/13/2007 |
Q: how many neutrons are in 14c? i don't know how you figure it out thanks. ANSWER: The proton number ...
A: Read my answer again. There are 8 nentrons in C14. Carbon always has 6 protons. C12 6 +6 = 12 ...
|
| biology | 9/13/2007 |
Q: how many neutrons are in 14c? i don't know how you figure it out thanks.
A: The proton number in C is 6 The mass of most Carbon is 12 which means it has 6 P and 6 N Hi laura ...
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| thanks so much for everthing. | 9/12/2007 |
Q: here are some more to check. please check carefully, because from liek 11 down i didn't understand ...
A: 9. Air sacs hold a resavoir of oxygen. Runner would have a greater supply 10. Biological- Will the ...
|
| a few questions. | 9/12/2007 |
Q: the gametes of an alligator contain 16 chromosomes. all the other cells in an alligator contain ...
A: You seem to be doing fine. All you answered were correct. The question about the pea plants: The ...
|
| Body Hair | 9/11/2007 |
Q: Do humans have different kinds of hair? Why does our body hair (arms, legs) not grow as long as our ...
A: Yes all hair is not the same. It varies in color texture and length. Its length depends upon the ...
|
| a few questions. | 9/10/2007 |
Q: the gametes of an alligator contain 16 chromosomes. all the other cells in an alligator contain ...
A: First 5 are correct #6 should be b 7 and 8 are correct 9 I see no flaw but this question puzzles me ...
|
| biology | 9/9/2007 |
Q: please briefly explain the citric acid cycle. is a lot of atp made during this process? ANSWER: ...
A: It looks like you are asking homework questions Laura. I am willing to help you understand ...
|
| Bees infesting and Adobe wall | 9/4/2007 |
Q: I am a historic Preservation Architect and I have an Adobe building that has a host of "bees" ...
A: I have looked at the photos and cannot see any adult bees. There is a Genus of bees called ...
|
| Electricity | 9/3/2007 |
Q: I need to know if it is possible to harness electricity in the palm of my hand. If you know who ...
A: No,it is not. Simply because there is no electron flow or electric current in the body. There are ...
|
| zoology | 9/3/2007 |
Q: I'm in the 7th grade and have a few questions on my project. I have a worksheet that asks for things ...
A: It appears Alexis that you have not been given the Scientific method. Her is what you do. Your ...
|
| Dreams | 9/2/2007 |
Q: On average a person will sleep maybe 6 hours a night. If this is the case, how do we cram such long ...
A: There is still a lot of mystery about dreaming and we really do not know exactly the brain processes ...
|
| How much biomass is on the planet? | 8/31/2007 |
Q: I need to know 2 approximate numbers. First, I need to know how many tons of LIVING biomass is on ...
A: I have researched this question with no results. I am not sure that it is possible to even get a ...
|
| single cells and zygotes | 8/29/2007 |
Q: you recently answered a question from another person in which he (Doyle)asked you if gestating ...
A: A zygote is destined to develop into an individual of the species. If the egg has been fertilized ...
|
| single cells from multicellular organisms. | 8/27/2007 |
Q: I was wondering if you can answer this question for me. A friend of mine insists that a single cell ...
A: Tecbnically the first part is correct since one definition of an organism is a living thing which a ...
|
| species classification | 8/26/2007 |
Q: Mr. Hintz: Is there, to the best of your knowledge, any reason (excluding radical mutations) for ...
A: As far as I know the classification of immature organisms is pretty forthright and established. In ...
|
| Parallel; Evolution? | 8/25/2007 |
Q: One theory has always stated that silicon lifeforms could exist just as often as carbon-based ...
A: It is my opinion that the physical,chemical and mathematical Laws of the universe are fixed and ...
|
| question | 8/24/2007 |
Q: how are you? I was wondering if you can provide your opionion. I am writing a essay on this topic ...
A: I believe that such laws should be passed. Vaccinations for childhood diseases are already required ...
|
| Acorn Growth | 8/20/2007 |
Q: This past Spring in Pennsylvania was warm and dry with the "drought" lasting until the second week ...
A: Last week I was in Kentucky visiting a friend. He has a lot of oaks and they were not producing ...
|
| Tundra | 8/17/2007 |
Q: Can you just tell me a little about the weather in the Arctic and Alpine Tundras? Thank You!
A: Ther is not alot of difference in weather between arctic and alpine tundra. Bout are cvery cold in ...
|
| Desert biome | 8/14/2007 |
Q: my name is Tyler Hayes. Now I take my schoolwork very seriously and need to get an edge on this ...
A: Hey Tyler I take helping students seriously. You picked a goody. Frankly I would have chosen the ...
|
| Question about plant respiaration | 8/14/2007 |
Q: when 6 molecules of carbon dioxide mixes with 6 molecules of water, it produces one molecule of ...
A: What you have stated is photosynthesis not respiration. Here are the equations 6H2O + ...
|
| biology questions | 8/13/2007 |
Q: 1. A. Explain how a light touch stimulates a nerve impulse.B. How does the impulse travel to the ...
A: Special skin receptors are sensitive to pressure (touch) When your are touched a sensory nerve sends ...
|
| biology | 8/8/2007 |
Q: 1. ostriches cannot fly. Would you expect them to have more down feathers or more contour feathers? ...
A: 1. Down feathers. Contour feathers are flight feathers. 2. It is tough to answer the way the ...
|
| timerates of biological processes | 8/8/2007 |
Q: I am wondering how long different biological (and chemical) processes take? I'm looking for a ...
A: Of course time is relative and I can only speak in generalizations. Decomposition of plant and ...
|
| Gram Stain Question. | 7/16/2007 |
Q: If I omit the alcohol step in a gram stain for a gram negative bacteria, would I end up wih a purple ...
A: The alcohol is used to decolorize the bacteria.Therefore it would stay purple. If you do not ...
|
| onions | 7/13/2007 |
Q: Why do onions turn clearish when you cook them. Do they have really thin cell walls or is there ...
A: Interesting question that I have never thought of before. Yes the cell walls in an onion are very ...
|
| goosebumps | 7/11/2007 |
Q: i have read information on goosebumps, i know that adrenaline and fear and cold causes it, but alot ...
A: I am afraid that you have me stymied on this one. I have never experienced this phenomenon but the ...
|
| Size of organisms | 7/10/2007 |
Q: Can you please explain why different kinds of living thing grow to different size ranges? For ...
A: Size and growth is under control of the DNA. I realize that this is not much of an answer unless ...
|
| biology | 7/10/2007 |
Q: (1) What are the tiny spheres inside the larger sphere of Volvox? How dou you suppose they get out? ...
A: These appear to be homework questions. I do not usually answer these but I will give some brief ...
|
| Marine Biology | 7/3/2007 |
Q: I was curious to know what degree I should be interested in if I wanted to be involved in the ...
A: Hey Elise; We are neighbors. I live in Wickliffe Ohio and teach at Lakeland College. Where do you ...
|
| resources | 7/3/2007 |
Q: I'm wondering if you can name some great books on biology for non-biologists. There are two types ...
A: I teach a course in biology for non-majors and use one of the best books that I have found so far. ...
|
| biology | 7/3/2007 |
Q: what is the difference between a sugar and a polysaccharide
A: All Sugars are saccharides, the simplest being monosaccharides like glucose (C6H12O6) Glucose is the ...
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| Marine Biology | 7/1/2007 |
Q: I was curious to know what degree I should be interested in if I wanted to be involved in the ...
A: Working with animals will probably have much to do with getting into college but it will help you in ...
|
| biology | 6/30/2007 |
Q: Why is the phenomenon of global warming termed the "greenhouse effect"? How does carbon dioxide ...
A: Think about being in a greenhouse. It is hot and humid. Normally a large among of the energy of the ...
|
| bio | 6/28/2007 |
Q: sir what do we mean by alkaline? i have read that blood is slightly alkaline and lymph is alkaline ...
A: This refers to the hydrogen ion concentration of a substance or the pH. Hydrogen consists of a ...
|
| Biology | 6/28/2007 |
Q: Suppose you place two celery stalks with cut ends in a solution of red food coloring and remove all ...
A: I would expect he dye to travel further in the leafed stalk. This would be due to transpiration ...
|
| Marine Biology | 6/25/2007 |
Q: I was curious to know what degree I should be interested in if I wanted to be involved in the ...
A: Congratulations Not too many 15 year olds have a good plan for the future. For what you want to ...
|
| ecology | 6/20/2007 |
Q: why don't food chains have 20 trophic levels?
A: Interesting question abreshia. The law of entropy tells us that with any change of energy from one ...
|
| pest control | 6/18/2007 |
Q: Tonight, I found hundreds to thousands of earwigs underneath the leaves of my vegetables in my ...
A: Earwigs are common in gardens. There are a number of things you can do. First of all do not use ...
|
| deoxyrebonucleic acid | 6/10/2007 |
Q: I'm a 2nd year highschool student,our teacher told us that we'll have an investigatory project.I ...
A: Wow! This is a huge question and I cannot answer it or explain it in a simple way. It is nucleic ...
|
| Hi can you help me understand Biology | 6/5/2007 |
Q: why does Biology divided into some branches? Like Zoology and Botany... And what is the importance ...
A: Biology is the study of life, of ourselves. It is important that we understand everything we can ...
|
| jasmonate release in plants | 6/5/2007 |
Q: I wanted to know...some scientists, such as Dr. Backster and his "lie-detector", have claimed that ...
A: The evidence of this compound has been established. In some plants an injury causes a release of ...
|
| Testosteroone and aggression | 6/4/2007 |
Q: i'm Scott, Pleased to meet you. My question is that is high levels of testosterone linked to ...
A: First of all I must tell you that I am not an expert on aggression in mammals. I did a little ...
|
| bio question | 6/3/2007 |
Q: i have 2 questions Describe the symbiosis theory of development. and describe the defference between ...
A: My answer is the same. This idea has to do with development of eukaryotic species. Basically the ...
|
| baby hair and eye colour | 6/3/2007 |
Q: can you tell me what hair and eye colour my baby is likely to have ? i have dark blonde hair and ...
A: All I can do is give you some odds Bonnie You are carrying genes for light hair and eyes. The ...
|
| bio question | 6/3/2007 |
Q: i have 2 questions Describe the symbiosis theory of development. and describe the defference between ...
A: I assume the first question refers to biosymbiosis to explain speciation. There is a whole book on ...
|
| biology question | 5/29/2007 |
Q: Why is photosynthesis only about 1% efficient in converting the energy in sunlight onto stored ...
A: I asked about the 1% because it is not correct. The efficiency of photosynthesis is around 5% not ...
|
| biology question | 5/29/2007 |
Q: Why is photosynthesis only about 1% efficient in converting the energy in sunlight onto stored ...
A: The Law of entropy states that when there is a change of energy from one form to another there is a ...
|
| Biology II | 5/26/2007 |
Q: Which of the following statements about species ,as defined by the biological species ...
A: I believe, homework questions I have taken a stab at some of them. I usually ask students with ...
|
| Mouth bacteria of humans, dogs, cats | 5/23/2007 |
Q: My 5th grade son is doing his science fair project comparing who has more bacteria between human, ...
A: The reasons behind the different numbers can be a lot of things. For example what did each eat last ...
|
| Cell Respiration and Photosynthesis | 5/22/2007 |
Q: Can you please help me figure out how ATP relates to photosynthesis and cell respiration? Thank you ...
A: ATP (adenosine triphosphate) is the site for energy storage and the energy source for metabolic ...
|
| Breathing | 5/19/2007 |
Q: Im in year 8 and i have been set homewok kthat i cant do. The question is... Devise experiments to ...
A: You are correct that limewater can be used. Limewater is calcium hydroxide Ca(OH)2. It is normally ...
|
| Investigatory project | 5/14/2007 |
Q: I am a science student of class XI my subjects are PCB. As our home-work we are asked to make an ...
A: With regard to disease I would suggest looking into Prions, the proteins that cause mad cow disease. ...
|
| Dog Evolution | 5/13/2007 |
Q: What most facinates you about the evolution of the domesticated dogs today? Also, What are possible ...
A: Since answering the last time, I did a little more investigation. Most lists of carnivore include a ...
|
| Evolution puzzle | 5/13/2007 |
Q: There is an aspect of evolution that is puzzling me. Am I right in thinking that evolution works by ...
A: In my opinion you are quite correct in questioning the role of random mutation as the guiding point ...
|
| DNA | 5/11/2007 |
Q: AT transcription only one of the strand is involde.Why is their a nedd for a double helix?Wouldn't a ...
A: I said I could not give you a satisfactory answer. This is a why question and why questions can ...
|
| forensics | 5/10/2007 |
Q: Could the bones of a child less than one year old eventually disintegrate leaving no trace? I'm ...
A: Organic materials will degrade faster in wet conditions. Certainly people have dug up human bones ...
|
| bio question | 5/9/2007 |
Q: for a bio assignment i'm supposed to give the water balance maintenence for a fish,amphibian,a ...
A: I do not know exactly what the teacher means either Raegan, but I suspect she is talking about how ...
|
| Dog Evolution | 5/9/2007 |
Q: What most facinates you about the evolution of the domesticated dogs today? Also, What are possible ...
A: The explanation for the wide variety of dogs (and all domestic animals) is simple. They did not ...
|
| Wild salmon vs. cattle ranch cow | 5/8/2007 |
Q: How many myotomes does a salmon use to swim upstream? And how many muscles does a cow use to stand ...
A: To be honest Karen I have no idea how to answer this. I would suspect that a swimming fish uses all ...
|
| Senses | 5/7/2007 |
Q: 1types of messages the senses receive. 2.When you have cold, why it is difficult to taste food? ...
A: 1. sounds,light,chemical smells and tastes, touch,heat 2. You lose the sense of flavor not taste ...
|
| biology | 5/6/2007 |
Q: what is the ecological importance of decomposer organisms? Where does the heat that compost heaps ...
A: Decomposers recycle organic material. If there were no decomposers we would be up to our necks in ...
|
| Evolutionary adaptations | 5/4/2007 |
Q: I have to find two organisms for each adaptation and explain the adaptation has been beneficial to ...
A: There is a lot to answer here and this looks like homework which I do not do. Here is what I will ...
|
| Biology and Producing materials | 5/3/2007 |
Q: I was wondering what the term, "organic" really means? And also with some genetic engineering could ...
A: Organic chemistry involves carbon containing compounds so we associate organics with life. It is ...
|
| Speciation of dogs and cats | 5/2/2007 |
Q: Why can one find many species of dogs as compared to those of cats? Is that related to the ...
A: If you are talking about domestic pets there is only a single species of dog (As familiaris) and ...
|
| biology | 5/1/2007 |
Q: 1.Is it true that all protozoans are multicellular? 2.Does fungi feed by digesting material outside ...
A: 1. No Protozoans are unicellular 2.yes 3.Bacteria have cell organelles: viruses do not Bacteria ...
|
| biology questions | 5/1/2007 |
Q: 1.List 4 possible genotypes and phenotypes from this cross using Rt, rt,rT? 2. Which of these is an ...
A: I cannot answer the first question because I need to know what is being crossed.(Rt x rt? or rT x ...
|
| body temp & perception | 4/29/2007 |
Q: Hintz, First, thank you for taking the time to be a resource for those of us with burning ...
A: Sweating is a part of thermoregulation. When body temperature increases water is lost through the ...
|
| whose mouth is cleaner | 4/26/2007 |
Q: You said something about noting colonies etc. How should we go about doing this? Noting different ...
A: Each species of bacterium has some observable characteristics regarding the colony. here are some ...
|
| earthworms | 4/25/2007 |
Q: I am doing a build a bin for earthworms and i was wondering.. *How earthworms absorb nutrients *How ...
A: They take in the soil through the mouth and digest the organic materials as it passes through the ...
|
| integumentary question.. | 4/24/2007 |
Q: I would like to know why do we have fingernails. I have been searching for quite some time but cant ...
A: Fingernails are claws. All mammals with fingers or toes have claws. They are evolutionary and have ...
|
| Baby hair and eye colour | 4/22/2007 |
Q: I am 25 weeks pregnant and am interested to know what colour hair and eyes my baby is likely to ...
A: In most cases coming up with any predictions is tricky. In your case dark hair and eyes seem to be ...
|
| Biology | 4/17/2007 |
Q: When a brown bear eats a salmon, does the bear acquire all the energy contained in the body of the ...
A: The bear can only recover a fraction of the energy from the fish. The second law tells us that with ...
|
| Circulatory Systems | 4/8/2007 |
Q: In what way is the circulatory system of: the human, the fish and the worm, designed to suit their ...
A: Thermoregulation requires a greater metabolic rate and therefore more O2.. Fish and worms need less ...
|
| biology 1406 | 4/7/2007 |
Q: Explain the seperation of pigments by chromatography. Why does this seperation occur?
A: Pigments separate because they have different molecular weights. I assume you have separated plant ...
|
| Biology | 4/6/2007 |
Q: I was just wondering, would you know what kind of bacteria I might have grown in my petri dishes? ...
A: There is no way I can identify these bacteria Julianne without more information. I would have to ...
|
| Scientific evidence proving the theory of evoution to be a scientific fact. | 4/5/2007 |
Q: My friends grandmother used to have a pet donkey or mule (I cant remember which one) in a little ...
A: I am afraid Brad that you are not aware of the nature of the creation-evolution debate. There are ...
|
| Scientific evidence proving the theory of evoution to be a scientific fact. | 4/5/2007 |
Q: My friends grandmother used to have a pet donkey or mule (I cant remember which one) in a little ...
A: Eohippus is considered as evidence of evolution along with other fossil records. The debate ...
|
| Scientific evidence proving the theory of evoution to be a scientific fact. | 4/4/2007 |
Q: My friends grandmother used to have a pet donkey or mule (I cant remember which one) in a little ...
A: I was unaware that such holes existed in the heads of mules. Vestigial organs are considered as ...
|
| Is having red hair a recessive gene? | 4/3/2007 |
Q: I am a female with reddish brown hair with green eyes and freckles. I am of mixed race half white ...
A: Yes! Red hair is recessive but all pigments involve multiple genes and not a single pair. And the ...
|
| Punnet Square Problem | 4/3/2007 |
Q: I have to create a 32x32 punnet square that have 1024 solutions. I cant figure out what the 32 ...
A: It is hard to believe anybody gave you a problem involving six traits. However it appears you were ...
|
| 5th grade science project - whose mouth is cleaner | 4/3/2007 |
Q: My son is in 5th grade and is doing a science project. He chose "whose mouth has the most bacteria? ...
A: I get a lot oof questions about the germ mouth projects. You must use the scientific method and the ...
|
| Binary Fission | 4/2/2007 |
Q: If we begin with one bacterium that could divide every 20 minutes what would be the mass of the ...
A: I just do not have it in me to do this calculation nor do I have the needed formuli. Sorry Lauren ...
|
| biology | 3/31/2007 |
Q: I have a test in biology coming up, and I have difficulties understanding some basics: ...
A: Transcription involves the making of RNA from the DNA template Translation is the synthesis of the ...
|
| bacterial content of human mouth vs cat/dog/snake | 3/31/2007 |
Q: My son is doing a science fair project on the bacterial content of the human, cat, dog, and snake ...
A: I am glad to see there is a nurse supervising as I worry when young people grow bacteria on plates. ...
|
| bacterial content of human mouth vs cat/dog/snake | 3/31/2007 |
Q: My son is doing a science fair project on the bacterial content of the human, cat, dog, and snake ...
A: It appears that you have done a lot of checking regarding the bacterial content in mouths. Is this ...
|
| sclera | 3/28/2007 |
Q: Why mammals have whitesclera? Its because collagen and elastic fibers? Why have some mamals larger ...
A: You are asking why questions and why questions are difficult to answer. I sometimes shock my ...
|
| Biology | 3/25/2007 |
Q: Why are there so many villi and air sacs in the respritory system?
A: The air sacs (alveoli) carry out diffusion of gases and the important thing is surface area. If the ...
|
| Biology | 3/24/2007 |
Q: In sexual reproduction, a line of genes on a DNA chain from a mother is paired with a matching chain ...
A: This is the first time you have come to me at allexperts. You should know that I do not answer test ...
|
| Urban Myth question | 3/20/2007 |
Q: I've twice heard a story about how the Earth supposedly had far more oxygen in the air in the ...
A: I have never heard of this idea and I doubt that it is true. Before green plants the Earth had no ...
|
| biology fieldwork | 3/20/2007 |
Q: I just completed my A2 fieldwork on the decrease in the population density of Mayflies with an ...
A: I did not realize that you were working with stream mayflies in Thailand but I assume that you are ...
|
| biology fieldwork | 3/19/2007 |
Q: I just completed my A2 fieldwork on the decrease in the population density of Mayflies with an ...
A: I believe that you are correct in assuming a lower O2 at greater depths but I am not sure this is ...
|
| Invertebrates | 3/18/2007 |
Q: How is the presence or absence of cephalization suitable to the way animal acquires food? ...
A: Sorry for the late answer but I was on vacation. It should have been noted at allexperts ...
|
| Genetics versus Enviromental / Nature vs. Nurture | 3/14/2007 |
Q: Does a particular environment, prior to the development to genes, play any role what-so-ever on the ...
A: LaMarck believed that acquired characteristics (brought about by environment) could be passed on ...
|
| Surface area | 3/13/2007 |
Q: What might be the disadvantage of having a large volume?
A: Assuming you are thinking about cell volumes: There is a ratio between cell volume and surface area. ...
|
| blood groups | 3/12/2007 |
Q: 1. what is antigen ? 2. what is antibody ? 3. what is their role ? 4. also explain blood ...
A: Sorry for the late response sulaman but I was on vacation 1. Antigen stimulate the production of ...
|
| biology | 3/6/2007 |
Q: Can matter be reused in the law of conservation? If not can it be conserved some how or is it ...
A: The Ist Law, the Law of Conservation of matter and energy tells us that matter cannot be created nor ...
|
| Biodiversity | 3/6/2007 |
Q: What is biodiversity? Explain why biodiversity is important?
A: Diverse refers to many different forms and bio means life. Biodiversity refers to the number of ...
|
| large intestine | 3/2/2007 |
Q: explain osmosis in terms of what goes on inside the large intestine ,please. i really need a ...
A: Osmosis is not a complicated thing. It is merely the passive diffusion of water across ...
|
| Puberty | 3/1/2007 |
Q: The text above is a follow-up to ... -----Question----- I am in desperate need of help. Iam 15 ...
A: You have some pubic hair, you get erections and you are attracted to girls. The last question is ...
|
| follow up evolution | 2/28/2007 |
Q: im sorry i couldnt get back to you. whenever i clicked the link to ask a followup i got a message ...
A: Glad you got back to me feiv; I get a lot of questions and allexperts poses some limits so if it ...
|
| fats/proteins | 2/28/2007 |
Q: before fats/proteins can be used as a fuel in respiration, what must happen? broken down into ...
A: These compounds are not converted to glucose or broken down into CO2 although is a final byproduct ...
|
| evolution | 2/27/2007 |
Q: for evolution to occur, there must have been a tremendous degree of variations of features in ...
A: In some cases here you have answered your own question. For example: Why are there no purple bees? ...
|
| human brain | 2/27/2007 |
Q: what are the difference between a genius and an ordinary person? Please include if it deals with the ...
A: No one has yet made a good argument to distinguish between the two.The main problem is that there is ...
|
| question | 2/26/2007 |
Q: How soon after fertilization could a woman know she is pregnant?
A: There is some mystery about this. I have heard some women (including my wife) claim that they know ...
|
| A dog's mouth. | 2/24/2007 |
Q: Is a dog's mouth cleaner than a human's mouth?
A: I get this question a lot. The problem is that "cleaner" is a relative term. Does a dogs mouth ...
|
| Scoliosis (spelling) | 2/23/2007 |
Q: I have to do a science project for our upcoming science fair. Is scoliosis a form of science since ...
A: Scoliosois is curvature of the spine. Effects on the body depend upon the degree of curvature. ...
|
| biology | 2/22/2007 |
Q: what is "a shift in allele frequencies in a population due to chance"??
A: Heredity is based upon chance. What genes are passed on and which ones are not depends upon which ...
|
| Agar Plates | 2/22/2007 |
Q: One more quickI have the plates in the oven with the light on with no heat. They are upside down. A ...
A: It is correct to keep the plates upside down.The object of incubating the plates this way is to ...
|
| Plants | 2/22/2007 |
Q: Its me again! How does potassium cyanide affects the uptake of ions in plants. And how could you ...
A: I have never carried out an experiment using KCN on plants so I do not know what it does but it ...
|
| Human eyes | 2/21/2007 |
Q: And this scale of iris have any biological reason? It depends on something?Why have humans white ...
A: Your question lies in the realm of evolutionary biology. Why questions are tough to answer. All ...
|
| ADP | 2/20/2007 |
Q: How can ADP be 'recycled' to form ATP again? And how do proteins in your cells access the energy ...
A: The cells contain plenty of ATP and ADP and there is also available phosphates. Under enzyme ...
|
| Drowning in Hot Water vs. Cold Water | 2/18/2007 |
Q: Would a person drown faster in a pond during the summer or the winter?
A: In the summer. People that have been taken from freezing water are more likely to be revived ...
|
| Agar Plates | 2/17/2007 |
Q: I am doing a science project, and I am testing to see which area of my school has more bacteria. I ...
A: Bacteria row best at 3.5 degees C. I you do not have an incubator keep the plats in a warm place or ...
|
| biology | 2/16/2007 |
Q: Please describe the pathway of sperm from the testes and the pathway of the ovum from the ovary ...
A: Sperm; moves from testes through seminiferous tubules to urethra. To vagina through cervix into ...
|
| my science fair project | 2/16/2007 |
Q: My hypothesis is:If monocular vision and binocular vision were tested for depth perception, then ...
A: Sounds like an interesting topic Cat. During your research part see if you can find out information ...
|
| biology | 2/15/2007 |
Q: hey i had some questions to ask and i hope u can help me with that - why do a persons eye appear to ...
A: Hey Nazeen I am not sure about the first question. There are a lot of causes for sunken eyes; ...
|
| Bear Hibernation | 2/14/2007 |
Q: I've returned with more questions about bear hibernation. More specifically, I'm interested in ...
A: I cannot answer all of these questions about the physiology of the bear. I can tell you that bears ...
|
| my science fair project | 2/14/2007 |
Q: Can you explain peripheral vision? I do not understand how it works.Thank you. ~Cat
A: Light passes into the eye not only directly from the front but also from the sides and strikes the ...
|
| DNA | 2/13/2007 |
Q: I had a quick question about DNA, if you wouldn't mind answering. Everybody knows about cell units, ...
A: It appears that you are questioning the evolutionary process in the development of DNA and ...
|
| biology | 2/13/2007 |
Q: I need to know the answer to Why might emigration and immigration result in variation within a ...
A: The total makeup of the DNA in a population is known as the Gene pool. Variations depend upon ...
|
| Bean Infusions | 2/11/2007 |
Q: I am curious why putting beans in water leads to a growth of bacteria. It seems strange to me. Is ...
A: It does seem remarkable doesn't it? Anton Leeuwenhoek the inventor of the microscope made a bean ...
|
| investigatory project | 2/10/2007 |
Q: . so your a teacher in biology..do you gave projects to your students? a investigatory project? our ...
A: Over the years I have worked with many students in scientific problem solving. Before I can help ...
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| passive transport | 2/9/2007 |
Q: Can you please explain to me the forces behind active transport and perhaps an example of this?
A: Your subject is passive transport and your question is active transport so I will discuss both. ...
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| E. coli growth problem | 2/7/2007 |
Q: I am trying to grow E. coli K-12 for my science project but it's not growing. Here is my procedure: ...
A: There are two ideas that come to mind. One is that the broth culture was not viable. The other is ...
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| Second Law Thermodynamics/Entropy | 2/7/2007 |
Q: If the second law (entrophy) is true, then how can evolution occur? Biologists insist that life ...
A: Good question Chastity. The Law of entropy states that with any change of energy from one form to ...
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| question | 2/4/2007 |
Q: give me types of biological interactions and examples
A: This is a pretty broad topic Edu C. Consider trophic relationships and food webs. The predator ...
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| cells | 2/1/2007 |
Q: Hintz Can you tell me how to count cells in the human body. i need it because i need to learn how ...
A: It depends upon what kind of cells you are counting but When you are counting cells you are working ...
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| Microbiology | 1/31/2007 |
Q: My question is this: Since you can't identify bacteria from a Gram stain, why might a physician ...
A: Gram positive and gram negative bacteria react differently to different antibiotics. Gram positives ...
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| killing bacteria | 1/30/2007 |
Q: Well, I am growing E. coli K12 for 24 hours and then putting different types of bandaids on the ...
A: I am having problems with this method Kristin. After 24 hours the colonies will have grown. Any ...
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| killing bacteria | 1/29/2007 |
Q: "I am growing E.coli K-12 on nutrient agar and then trying multiple ways to kill it. How would I ...
A: i assume you are treating the plates before the growth of the bacteria or at least you should be. ...
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| Late Blooming Brains | 1/29/2007 |
Q: I recently read an offhanded mention that human brains continue to develop new physical structures ...
A: The original statement is correct but all growth does not stop until death. Additional growth has ...
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| Blood circulation | 1/29/2007 |
Q: We saw a sign at the Bodies exhibit that said that each drop of blood in an adult human goes through ...
A: It depends a lot upon the heart rate but when we consider an adult at rest the flow rate is about ...
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| Polygamy and Incest | 1/27/2007 |
Q: Do polygamy and incest have a biological/genetic cause in humans, or are they 100% choice?
A: Very interesting question Fred and I am afraid that the jury is still out on this one. First: ...
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| hypothesis | 1/23/2007 |
Q: what does the word hypothesis mean nad can you give me an example. I would also like to knoa what a ...
A: A hypothesis is an educated guess. Suppose my Problem was what type of fertilizer makes a plant ...
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| unicellular creatures | 1/21/2007 |
Q: Why is it not possible to really have a unicellular organism big enough to engulf small children and ...
A: This is a good question. A unicellular organism that could engulf a large animal would in itself ...
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| what define sense of taste? | 1/20/2007 |
Q: What define the flavor we taste in the tongue? assuming we all taste the same the same flavour as ...
A: Taste and flavor are not the same thing. There are four different chemical receptors on the tongue ...
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| Biology | 1/20/2007 |
Q: The text above is a follow-up to ... -----Question----- good day, sir. I am an udergraduate and ...
A: There are some studies out about periwinkle and treatments for leukemia that I could send to you but ...
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| beginning biology question | 1/15/2007 |
Q: I do not understand the difference between independent variables, dependent variables and control ...
A: Consider this hypothesis: A certain fertilizes makes bean plants grow better. The independent ...
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| need help asap please! | 1/10/2007 |
Q: 1.what is the cellular process that needs energy from ATP? 2.how does ATP store? 3.how can ADP be ...
A: 1. All cell activities except simple diffusion utilize energy but I think you are asking about ...
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| Science Project | 1/9/2007 |
Q: I am a ninth grader and I am doing an experiment on the effect of oregano oil on the growth of ...
A: You are introducing too many variables here. You are using two different organisms and varying ...
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| help!! | 1/9/2007 |
Q: how can i carry out a quantative survey of the plant speciesin a local habitat
A: The first thing you must do is determine the total area involved. Measure the area of study in ...
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| Biology/chemistry | 1/5/2007 |
Q: I am an 8th grade student doing a science project called do household products effect the ...
A: The problem with this study Nicole is that you are affecting the environment of the plant only by ...
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| Pentahybrid Punnett Square | 1/5/2007 |
Q: For my biology extra credit project I was assigned to create a pentahybrid punnett square. I ...
A: According to my calculations you will need a punnet square with 20 gametes on a side for 400 squares ...
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| Biology/chemistry | 1/5/2007 |
Q: I am an 8th grade student doing a science project called do household products effect the ...
A: You have two different problems to solve here. One is how these products affect plants and the ...
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| Eye and Hair Colour of Baby | 1/4/2007 |
Q: I am due to have a baby boy in May this year! Can you please give me a rough idea of what Hair and ...
A: The problem with predicting pigmentation is that such traits are polygenic. That is there are more ...
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| Eye and Hair Colour of Baby | 1/4/2007 |
Q: I am due to have a baby boy in May this year! Can you please give me a rough idea of what Hair and ...
A: Predictions like this are somewhat hit or miss but in this case we can get some idea. You are a ...
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| mold on bread | 1/2/2007 |
Q: if you eat bread with mold on it would it hurt you or help you?
A: Most likely neither but it is a bad idea because along with the mold dangerous bacteria could be ...
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| Biology | 1/2/2007 |
Q: What is the importance of Biology in BS Hotel and Restaurant Management?
A: I can think of at least two considerations here both involving bacteria. Restaurants have to be ...
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| Fibrous Protein | 1/2/2007 |
Q: Why fibrous protein such as keratin that make up our hairs has a high tensile strength and a certain ...
A: Hi Jordan Why questions are difficult to answer. They involve evolutionary biology which merely ...
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| Science Fair | 1/1/2007 |
Q: I'm doing a science fair project on The Effects of CO2 on the Growth of Corral, and I was having ...
A: It seems that you have a couple of problems here. The growth of corral is extremely slow so I do ...
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| question | 12/31/2006 |
Q: how are alleles in an organism that shows incomplte dominace different from an allele in an organism ...
A: With incomplete dominance both alleles are expressed. When we cross some flowers for example a ...
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| question | 12/31/2006 |
Q: my question is: describe the characteristics of simple diffusion, facillitated diffusion, and active ...
A: Simple diffusion involves movement of molecules from an area of high density to and area of lower ...
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| question | 12/31/2006 |
Q: how are sex-leangth traits different from sex-influenced traits. thank u for ur time
A: Sex linked traits are those carried on the 23rd pair of chromosomes. Sex linked traits are carried ...
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| Science Fair Projects NEED HELP!!! | 12/31/2006 |
Q: My School Name is Hazlehurst High School. I am in 10th grade. No i Don;t have grandparents that ...
A: Your sisters are still young. The younger sister and the two cousins would make good subjects but ...
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| Cigarette Smoke effect on plant growth | 12/30/2006 |
Q: My hypothesis is Yes Cigarette Smoke will effect plant growth. I plan to test it by using 5 ...
A: I found a nice study on this topic that should help you. Go to ...
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| Do we have the same peception of the world? | 12/30/2006 |
Q: I got a question to ask you. Scientifically, do normal human have the same perception of taste, ...
A: In general probably yes. But there is a difference between what we sense and how we interpret what ...
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| Science Fair Projects NEED HELP!!! | 12/30/2006 |
Q: Can U please help me More on it. I never did an science fair project. PLEASEEEEEEEEE!!!....... My ...
A: You can contact me through e-mail at waltjh@sbcglobal.net Give me some more information. What is ...
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| Cigarette Smoke effect on plant growth | 12/29/2006 |
Q: I am doing a science fair project on the effects of cigarette smoke on plant growth. I am in the 9th ...
A: There is not a lot of material about this topic. Some studies about smoke in general have been done ...
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| Science Fair Projects NEED HELP!!! | 12/29/2006 |
Q: How Does Age Affect the Nervous System?
A: If you are planning to conduct a scientific study about this topic you will first have to develop a ...
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| Static shock | 12/28/2006 |
Q: Why are we getting the static shock while touching the materials??
A: Static electricity is generated by friction. When some materials are rubbed together (like ...
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| I Need an Invesigatory Project in Biology | 12/28/2006 |
Q: I need an investigatory project for General Science....An investigatory project that is not ...
A: There are many possibilities Kirsten. You mention both General Science and Biology. Which is it and ...
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| help plz | 12/20/2006 |
Q: why do plants turn to the sun on a sunny day? i know its coz of turgor movement but how?
A: You have two questions here : How and Why Why? It is the nature (and DNA) of a plant to capture ...
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| Dinosaur intelligence | 12/17/2006 |
Q: Is there any evidence that would lead one to believe that dinosaurs were intelligent in comparison ...
A: Of course there is no way we can determine this by scientific study. There is some evidence that ...
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| Cremation | 12/16/2006 |
Q: Actually, I was thinking of the atoms that went up the chimney at the time of cremation, not the ...
A: Again there are too may factors to suggest a time. The smoke particles would most likely settle to ...
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| Bird Anatomy | 12/16/2006 |
Q: Can you possibly give me a brief explanation on why ducks/geese fly south for the winter and ...
A: The simple explanation is that bird migration is part of the instinctive behavior controlled by the ...
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| Cremation | 12/16/2006 |
Q: Approximately how many years would it take the atoms from a cremated body to be thoroughly mixed ...
A: This would certainly depend upon the disposition of the ashes. If they were interred in a container ...
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| Karyotypes | 12/15/2006 |
Q: How can homologous chromosomes be identified? What is the major chromosomal difference between ...
A: Only by test crossing Gametes (sperms and eggs ) have only half the chromosome numbers You have ...
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| Horseshoe crab questions | 12/14/2006 |
Q: Please E-mail me back at the address given. Thank you, ...
A: There is a lot to this so I am going to refer you to a web page explaining everything in detail. Go ...
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| I am a 12 year old gifted student. | 12/14/2006 |
Q: and so i was wondering if you would be willing to answer a few questions i have. 1st- about how ...
A: There are over 20,000 known species of fishes in the ocean but there are probably a lot that have ...
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| I have 2 complacated quesion | 12/11/2006 |
Q: this question has three parts #1 A) explain how a light touch stimulates a nerve impulse B) how ...
A: These look like homework questions but I will answer the first one. 1. Touch receptors in the skin ...
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| Plz. answer in complete sentences | 12/11/2006 |
Q: I am home schooled, and need help on one of my questions... 1) bar-headed geese fly over the world's ...
A: Geese flying at high altitudes must overcome problems of low temperatures and low oxygen. Migratory ...
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| Harmones | 12/9/2006 |
Q: I'm a 17 years young boy from Pakistan studying in pre-medical and i want to know that how do that ...
A: Hormones are secreted directly into the blood stream and reach the organs through circulation. All ...
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| gravition in cells | 12/7/2006 |
Q: Why doesn't gravitation apply in a cell? Yours, Annelie
A: It does apply. Gravity is a force that is applied to all matter including cells but gravity is the ...
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| biology | 12/7/2006 |
Q: it's wanda again!I'm sorry but I forgot one more question for you.What would happen in terms of ...
A: Strange that you ask this question. I belong to an increasing school of thought that speciation ...
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| biology | 12/7/2006 |
Q: i need a little help,could you please tell me why do carbon dioxide levels in a mixed forest ...
A: It has to do with the rate of photosynthesis. Atmospheric CO2 is utilized in the the process. The ...
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| AIDS through mosquitoes | 12/7/2006 |
Q: Why doesnt AIDS spread through mosquitoes?
A: Mosquitos spread disease organisms through saliva. When the insect bites an AIDS victim the virus ...
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| test cross | 12/5/2006 |
Q: What would be the result of a two-trait test cross it an individual was heterozygous for one trait ...
A: I can best answer this with an example. Consider a cross with rabbits Let B =brown Let L = long ...
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| Question | 12/5/2006 |
Q: Will you please help explain the steps and process photosynthesis in a way i could understand. ...
A: I will try Brittini. There are two steps involved. The first is the captute of energy and the ...
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| rubber plants and growth in top soil | 12/5/2006 |
Q: I need an interview by dec. 6 about Rubber plants and i have a series of guestions that i have ...
A: 1.I an an instructor of biology and physical science at a college 2.Teaching these sciences 3.Not ...
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| Nicotine | 12/4/2006 |
Q: How does Nicotine effect the growth of a plant?
A: Nicotine is a very powerful toxin and how it effects plant growth depends upon the type of plant and ...
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| baby hair and eyes | 12/4/2006 |
Q: my daughter is 2 months old and she was born with reddish blonde brown hair but im concerned where ...
A: We are all the result of the DNA we inherit. Your daughters fraternal grandfather had the reddish ...
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| Biology help | 11/30/2006 |
Q: 1. Is It True That Carbon can link itself and other elements to form very large molecular ...
A: 1. This is true 2 A The heterotrophs would deplete the atmosphere of Oxygen and the Earth would ...
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| biology | 11/30/2006 |
Q: describe the adaptations of the blue-footed boobie
A: Interesting that you ask about this boobie Samantha. It is on one my favorite birds and I have ...
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| biology | 11/26/2006 |
Q: how do i set up a 64 square trihybrid cross with Number of eyes E= 2 eyes e= 1 eye ...
A: Set up the possible 8 gametes each axis; The possible gametes are: EHF EHf EhF Ehf eHF eHf ...
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| biology | 11/26/2006 |
Q: woodpeckers have long beaks. Describe how Lamarck would explain the long beaks and then describe how ...
A: Lamarck believed in the inheritance of acquired characteristics. In this case the birds would ...
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| Do we see the same colour as each other? | 11/25/2006 |
Q: I have a question I really want to n=know the answer. Is it true that some people see colour ...
A: There are degrees of colorblindness which is inherited. In fact one in eleven males are colorblind ...
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| biology | 11/24/2006 |
Q: hey its kristi i go to vacaville christian so its based on christianity thank you for your help i ...
A: I tried to answer these questions from a scientific viewpoint not from a theological one. I am not ...
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| Photosynthesis | 11/24/2006 |
Q: Could you please explain the following questions: 1- Why does chlorophyll appear green? 2- In ...
A: 1. All wave lengths of light except green are absorbed. Green is reflected. 2.Some starch is ...
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| biology | 11/24/2006 |
Q: I sent in some q's by a different email and you told me to try and figure them out so I tried and ...
A: I find these questions interesting and somewhat misleading. They seem to have been written by ...
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| Biology | 11/23/2006 |
Q: Can you describe in simple terms the mechanics of gaseous exchange within the alveoli?
A: The exchange of CO2 and 02 is simple diffusion When you take a breath the alveoli contain more 02 ...
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| Urgent! science test tomorrow!!! | 11/20/2006 |
Q: This time, i have a few more questions to ask you, im sorry i bothered you too much, sorry =( ...
A: She may be using bad habits that can affect the baby such as too much alcohol, smoking or using ...
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| Respiration? | 11/20/2006 |
Q: why do invertebrates rate of respiration decrease at high or low temperatures? how does the ...
A: Animls use energy in the form of heat. Respiration involves the degradation of glucose into CO2, ...
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| Questions on reproduction | 11/19/2006 |
Q: hey mr hintz, i having a few questions that i don't understand. First: what advantage does ...
A: Cross pollination brings about variation on plants. Without it we could not see color variations. ...
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| spices effect on bacteria growth | 11/15/2006 |
Q: I'm doing an experiment on the effect of different spices (garlic, ginger, basil, cinnamon, parsley) ...
A: Sounds good Stephanie. I have never heard of this being done so I cannot predict the results. ...
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| Cells | 11/15/2006 |
Q: Why is the cell theory called a scientific theory and not a scientific law?
A: Good question Mark. Often the words theory and Law are interchangeable. The cell theory states ...
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| Science | 11/15/2006 |
Q: I am a the grade student with a science fair project to do on the normal&abnormal heart rate of ...
A: This is an ambitious project. The first thing you must do is state your hypothesis.A good ...
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| Mineral Questions | 11/13/2006 |
Q: my name is Rafael and I live in Rio de Janeiro, Brazil. I study at EARJ which means: American School ...
A: There are about 3800 different miners recognized with maybe 50 more being discovered each year. ...
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| biology | 11/13/2006 |
Q: 1. what happens to sunlight that strikes a leaf but is not trapped by photosynthesis? 2. _________ ...
A: I really hate fill in questions but I will give it a go 1.It is absorbed as heat or reflected ...
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| Biology | 11/11/2006 |
Q: 1- How could a lack of food intake interfere with functions of individual cells and tissues? 2- ...
A: 1.All living cells need glucose for energy: without it they die 2. nervous and muscle tissues 3. ...
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| biology- excretrion | 11/10/2006 |
Q: please answer this question ******************************** Urgent ******************************** ...
A: Excretion refers to getting waste materials out of the organism so the methods depend upon the kind ...
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| vegetative state | 11/10/2006 |
Q: You may not be the right person I should be asking this, please excuse my ignorance. I am writing a ...
A: Doctors often place patients in a comatose state when there is a serious head injury to aid in the ...
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| Zoology | 11/9/2006 |
Q: What is the importance of zooloy in our society?
A: Zoology is the study of animals. We of course are animals so this study becomes important when we ...
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| mammilian developement | 11/8/2006 |
Q: I know that mammals are the only species that play, and that mammilian play in the animal world ...
A: When you get right down to it play is merely practice for something the animal has to do later in ...
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| Evolution | 11/7/2006 |
Q: Does evolution through natural selection produce "better" organisms in the absolute sense? Are we ...
A: "better" is a relative term so perhaps the term successful would be more appropriate, successful ...
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| Eye people | 10/29/2006 |
Q: On 4/27/2006 Sam asked a question about seeing strange people's faces when his eyes are closed. I ...
A: People can perceive of visual images with the eyes closed as they do in dreams because of visual ...
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| action of digestive enzme | 10/27/2006 |
Q: here is the detail we were to do amylase activity test for that step1 tube1 :add 6ml of amylase ...
A: Tube 1 is a control Tube 2 indicated the presence of starch but no sugar Tube 3 indicated that ...
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| Cloning | 10/25/2006 |
Q: I am a 21 year old college student, and after taking a biopsychology class along with a philosophy ...
A: Actually cloning goes on all the time and there is no legislation that prohibits it. It is going to ...
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| Diffusion | 10/24/2006 |
Q: How does the process of diffusion relate to biology and the cell membrane? Please help!! I don't ...
A: The cell membrane is the barrier between the cell contents and the outside environment. The cell ...
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| large cells | 10/22/2006 |
Q: What adaptations do large cells have that allow them to survive?
A: I am not sure how to answer this question. First of all "large" is a relative term. There are ...
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| bacteria | 10/22/2006 |
Q: what does ...
A: The first one is a sulfur bacteria and not a pathogen The Genus Mycobacterium belongs to the ...
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| I dont know what the subject is... | 10/19/2006 |
Q: Um I dont understand this can you explan it differently pleaseThe trait for a tall plant (T) is ...
A: This is merely a genetics problem about a specific trait in a plant. Some plants are taller than ...
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| breeding | 10/19/2006 |
Q: Compare and contrast selective breeding and natural selection.
A: Both involve new species but selective involves artificial selection whereby people select the ...
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| Careers in biology | 10/18/2006 |
Q: I have a bachelors degree in biology but have been unable to find employment. How should i go about ...
A: You have to find some kind of specialty. Have you considered teaching. You may need some education ...
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| biology | 10/17/2006 |
Q: punnett square showing how mother is normal and daughter with hemophilia. also, genotypic and ...
A: Let X= normal gene Xh= Hemophiliac gene Male must be a hemophiliac Female must be a carrier ...
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| A digestive system question | 10/13/2006 |
Q: But this happens even if they haven't eaten that day. It's as if eating causes it. (?)A digestive ...
A: It doesn't make a difference if food was not taken in that day as there is still food in the ...
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| Protein functions | 10/12/2006 |
Q: Am I correct about these functions of proteins? Am I missing any? Functions of proteins. Muscle ...
A: The functions you list listed are enzyme activities and all enzymes are proteins so basically the ...
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| babys eye colour | 10/12/2006 |
Q: I have dark brown hair and hazel eyes my husband has brown hair and hazel eyes too. My mother has ...
A: This gets kind of complicated because eye color and hair color is based upon more that a single pair ...
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| Energy Pyramid | 10/11/2006 |
Q: Why are the functions of the energy pyramid important?
A: I am not sure how to respond to this as the energy pyramid is a model and has no functon except to ...
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| science project | 10/11/2006 |
Q: .. i am doing a science project for school. here is a copy of the assignment: Manufacturers of ...
A: There are a number of ways to do this Jay. You will need bacteria media plates. Here is what I ...
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| Digestion | 10/10/2006 |
Q: Describe the events that would occur to some protein in a boiled egg from the moment it is taken ...
A: Egg protein is albumin. Pepsin in the stomach starts breaking down the protein. In the small ...
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| GENOTYPE/PHENOTYPE | 10/8/2006 |
Q: Could you determine a person’s genotype if you knew his/her phenotype. Why?
A: No because the phenotype is only telling us what genes are being expressed not what genes are ...
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| Population growth | 10/6/2006 |
Q: Sir can you help me figure this out? Subject is since the 1970s, the Chinese government has ...
A: The purpose of this policy is population control. Limiting families to a single will ,of course, ...
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| Cell Biology question. | 10/5/2006 |
Q: Followup To The four chambered heart of mammals is more complex that the two chambered heart of the ...
A: Don"t apologise sharon. These are tough questions. Evolution of all organs shows increasing ...
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| Frogs | 10/5/2006 |
Q: Can you tell me why frogs always cross the road when its raining?
A: At the risk of sounding facitious I would answer the same as the old "why did the chicken cross the ...
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| Biology - Ecology | 10/4/2006 |
Q: Could the Loch Ness ecosystem and/or environmental conditions support a gene pool of 'monsters' for ...
A: I do not believe so. Organisms and their environment go togther.. Dinosauers existed within a ...
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| Cell Biology question. | 10/4/2006 |
Q: I'm having a tough time with these two questions, It seems like I've been working on them forever. ...
A: The term 'more advanced' is relative. We have no criteria for advancement. The paramecium is ...
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| GRAM STAIN | 10/3/2006 |
Q: WHAT WOULD HAPPEN IF YOU GRAM STAINED HUMAN CELLS?
A: I have never tried but the purpose of a gram stain is to stain a carbohydrate in bacterial cell ...
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| Cell biology | 10/3/2006 |
Q: How long do nerve cells, and epithelial cells live/survive?
A: It depends on where the epithelial cells are. Skin cells eventually slough off as new ones are ...
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| egg project | 10/2/2006 |
Q: If you peel a raw egg without breaking the membrane or "melt" away the shell in vinegar. If you ...
A: Water diffuses from an area of high concentration to a area of lower concentration (osmosis) Water ...
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| menstruation | 10/2/2006 |
Q: I've met women who tell me that their menstrual cycle is so regular that they can tell me down to ...
A: As a male I am not sure how to respond to this never having experienced it. My educated guess is ...
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| Dichotomous key for leaves | 10/1/2006 |
Q: ------------------------- Still can't seem to figure this out!!! What would be the trees steps ...
A: There are 6 trees left so you have to find distinguishing characteristics between them. Here are ...
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| biology | 9/30/2006 |
Q: Simple answers recquired. If a newly discovered bacterium were 0.5 micrometers long, _______ ...
A: I cannot answer the measurement questions because I do know the width of the field on your scopes. ...
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| Population growth | 9/30/2006 |
Q: If true that few species can continue exponential growth for very long, because environmental ...
A: There are no populations without an upper bound. There is a limit to the amount of available energy ...
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| Dichotomous key for leaves | 9/29/2006 |
Q: How to make a dichotomous key with the following leaves: horse chestnut, pine(needles), rose, maple, ...
A: I will not make the key for you I will show you how to get started. Such keys are called artificial ...
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| Placental nourishment | 9/28/2006 |
Q: I just read that animals with a backbone, mammals are generally regarded as the most dominant modern ...
A: First of all "most dominant" is a relative term. Mammals are not the most dominant land animals. ...
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| Biology | 9/25/2006 |
Q: what is endoscope ? what is fibre optics and a stomach ulcer ? Find out one reason why doctors take ...
A: An endoscope is a tube inserted into the body cavity to view the lining. It uses a light generated ...
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| pesticide | 9/24/2006 |
Q: (1)why pesticides are added in shampoos,paints,mattresess and in carpets? plz reply ASAP!
A: This is interesting. I never knew they added chemicals to paint and mattresses and especially in ...
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| Heart attacks | 9/24/2006 |
Q: I am reading that Heart attacks have sometimes been called a disease of modern civilization, because ...
A: I am not an expert in sociology but I think there are a couple of considerations here. One has to ...
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| Hormones | 9/24/2006 |
Q: Have a question on hormones, when we hear the word hormones, we tend to think of something that ...
A: Ah yes! We cannot help our behavior because our hormones are acting up. Hormones are inportant in ...
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| Cell Walls | 9/23/2006 |
Q: Mr Hintz, Thank you, I find this very interesting, could you elaborate on why with cell walls the ...
A: I was afraid you were going to ask me that. Instead of saying that cells walls could not evolve I ...
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| Cell Walls | 9/22/2006 |
Q: Can you help me understand cell wallfunctions? I understand plant cells have a cell wall, that ...
A: You are correct about the function of cell walls. They allow rigidity in the plant. Without them ...
|
| DNA/ RNA | 9/20/2006 |
Q: How do i find the mRNA complement fron 5'-3', fo the following DNA sequence? 5'-GATCCGCTAAGGCCT-3' ...
A: Use the base pairing rule as follows DNA-DNA DNA to RNA A-T A-U ...
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| Changes in Anatomy due to Changes in Gravity | 9/20/2006 |
Q: the article was fascinating. Though it didin't tell me about the effects on say, mars or the moon, ...
A: The effects on mars and the moon would be a matter of supposition. My guess is that the Martian ...
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| Changes in Anatomy due to Changes in Gravity | 9/19/2006 |
Q: Now, technically, no one knows what kind of changes would occur to a person born in raised in an ...
A: It would certainly depend upon the gravitational field. An organism of Saturn or Jupiter would have ...
|
| Plants | 9/16/2006 |
Q: Sir, plants seem to have elaborate defense systems, and they can respond to their environment; for ...
A: I suppose we do not have a real good definition of intelligence but usually it involves some kind of ...
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| biology | 9/16/2006 |
Q: why does the human body have more carbon than a pumpkin? and why does a pumpkin have more oxygen ...
A: These are really strange questions. Where did you come up with these? For one thing, a human is ...
|
| Biology | 9/15/2006 |
Q: Importance of Biology in science and technology
A: I get this question a lot and I wonder why it is even asked by teachers as the answer seems so ...
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| Organisms#2 | 9/14/2006 |
Q: What does it mean to be an "organism"? The cellular slime mold Dictyostelium discoideum exists ...
A: In my definition anything that exhibits life activities is an organism. An individual slime mold ...
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| Organisms | 9/14/2006 |
Q: What does it mean to be a "successful" organism? Bacteria are certainly the most numerous organisms ...
A: I think "successful" is a relative term and somewhat meaningless. I don't think you can assign a ...
|
| evolution | 9/14/2006 |
Q: Yes there is misinformation about evolution in my opinion. It is not a fact. Q (1) Is it? I don't ...
A: You have to understand the differences between facts and theories Randell. Consider gravity. That ...
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| Need a Little Guidance | 9/14/2006 |
Q: I need a little help with a few biology questions. I need to check my daughters work but for the ...
A: First question. The sexual reproduction is the key here as bacteria reproduce asexually and a piece ...
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| Bacteria | 9/14/2006 |
Q: Explain the evolutionary steps by which bacteria may become resistant to antibiotics, using the core ...
A: The assumption is that in a group of bacteria there are some that are resistant to an antiobiotic or ...
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| Evolutionary trait | 9/14/2006 |
Q: Using evolutionary principles, explain why large ears might be expected to evolve in a terrestrial ...
A: Evolutionary change involves competitive advantage or disadvantages. Do to the nature of sound ...
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| evolution | 9/13/2006 |
Q: am amazed. How can the theory of evolution be considered scientific? It can't be tested and then ...
A: I feel, randell, that you have been given misinformation about Evolution and there is a lot we do ...
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| African type hair in genetics | 9/12/2006 |
Q: Can you help us with regards to ascertaining our possible African Canadian Black history. Is this ...
A: Human genetics is a complicated thing and from single features like type of hair we can only guess ...
|
| ribosomes | 9/12/2006 |
Q: I need to make a model of a ribosome. DO you have any ideas? I cant think of any, they are so ...
A: This is sort of an artistic endeavor and I have no artistic ability but I would suggest this. A ...
|
| biology | 9/12/2006 |
Q: oxygenated red blood cells arrive at capillaries through (A) arterioles (B) cell walls (C) venules ...
A: These are homework or test questions sweet and I will only help you if you answer them first. You ...
|
| Pho tosynthesis and cellular respirations | 9/11/2006 |
Q: DEFINE THE FOLLOWING? 1)ATP 2)NAD PH 3)ADP
A: These are nucleotides made up on 5 carbon sugars, nitrogen compounds and phosphates. All three ...
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| Biology | 9/11/2006 |
Q: 1. What component is present in every part of a loop, such as one that involves proteins producing ...
A: I believe you are new to my site here so I must tell you that I do not answer multiple choice ...
|
| AP Bio Essay Question | 9/10/2006 |
Q: IN the thawing and freezing of meats and vegtables, what happens to the cells in each and why?
A: The life of a cell depends upon its watery internal environment for dissolution and transport of ...
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| Anatomy | 9/7/2006 |
Q: I understood that the shape of pinna directs sounds into inner ear where we have multiple individual ...
A: Sound waves are not distorted by changing the direction from which they enter the ear.I am afraid I ...
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| biology | 9/7/2006 |
Q: what does it mean to describe a scientist as skeptical? why is skepticism considerd a valuable ...
A: Science deals in facts and a fact is not a fact unless it can be proven false. If it cannot be ...
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| Anatomy | 9/7/2006 |
Q: I'm interested in mechanism allowing human body to perceive direction of incoming sound. Since we ...
A: It all has to do with those funny shaped ears that we have. The outer ears (pinna) do not detect nor ...
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| belly buttons | 9/5/2006 |
Q: I've been watching a show called Kyle XY. In short, it's about a boy with amnesia and no belly ...
A: All placental mammals were attached to the uterus and they have a naval (or belly button) where the ...
|
| Scientific essay | 9/4/2006 |
Q: what is a scientific essay? For my biology class, I will not be doing any research but have to write ...
A: An essay is a narrative written from the authors point of view. It is non fiction and subjective ...
|
| Binomial Nomenclature | 8/28/2006 |
Q: I am trying to find an example where a species name is capitalized---as when it is named after the ...
A: I love some of the names. An example of one your are looking for could be the freshwater jellyfish, ...
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| hello | 8/25/2006 |
Q: like what are some things learned in college textbooks? some of the more difficult things in ...
A: It depends upon the course of study but usually advanced biology courses delve more deeply into ...
|
| Evolution | 8/24/2006 |
Q: Is abiogenesis a part of evolution?I understand evolution but abiogenesis escapes me. Any ...
A: Abiogenesis refers to the spontaneous generation of life but science has shown that life comes from ...
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| immunology | 8/24/2006 |
Q: Respected Sir, Iam doing my graduation in biotechnology, India. I have a doubt in immunology, ...
A: This is a good question furquan. Keep in mind that a fertilized egg is inside the oviduct or uterus ...
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| Please double check my answers | 8/15/2006 |
Q: Walter, I'm currently studying biology for a high school course that I need to pass very soon. I ...
A: I agree with all your answers except the following.#1. I think D is a better answer because such ...
|
| Biology | 8/10/2006 |
Q: There are no genetic specialists available and I am assuming with your education and experience, you ...
A: There are most likey two explanations. The parents of a dimpled individual must both be carrying ...
|
| Baby Hair Colour | 8/10/2006 |
Q: Our first baby is due in about 4 weeks time and I am interested to see what hair colouring she may ...
A: A lot depends upon the grandparents especially your wifes parents. You are passing on genes for ...
|
| bactria growth | 8/8/2006 |
Q: expriment:took a steriled petridish and exposed it to any surface,sealed and put in a warm place,no ...
A: Besides warmth and a surface on which to grow bacteria need nutrients. The agar in the dish ...
|
| Populations and Communities | 8/7/2006 |
Q: Paul Ehrlich has said, "It is quite possible that the penalty for frantic attempts to feed ...
A: Ehrlich believes that there is a limited amount of energy available and if the population increases ...
|
| Organ cloning | 8/7/2006 |
Q: Hintz: My girlfriend has a cat which is like a son to her but muffy (cat) is suffering from chronic ...
A: Please accept my sympathies about Muffy. I lost my cat a few years back and I still feel badly ...
|
| Bacteria | 8/5/2006 |
Q: Why can a bacteria be called 'imortal'?
A: Good question jigishu Mortality means that an organism has a life span. It is born, ages and ...
|
| Transcription DNA/RNA/Protein Synthesis | 8/3/2006 |
Q: I think I have it but could you explain what you did for me please?What is the antisense DNA ...
A: The DNA strand transcribes an mRNA template so I made the mRNA strand according to the base pairing ...
|
| Biology--insects | 8/1/2006 |
Q: Why are insects so diverse? How many species of them do we find on earth? what are the kinds of ...
A: Diversity occurs among living things because that is the way evolution operates. Life is ...
|
| biology | 7/29/2006 |
Q: In the process of making a proteins, the purpose of an adaptor is to. a)copy the sequence of ...
A: I do not like to answer multiple choice test and/or homework questions. You will not learn anything ...
|
| Body temperature | 7/28/2006 |
Q: Why is it that since our body temperature is 98 degrees, when we are outside in 85 degree weather, ...
A: It depends upon a number of factors: The humidity, the rays of the sun (how direct they are) and ...
|
| manufactured and natural antibiotics | 7/27/2006 |
Q: i went and spoke to a lab assistant at my school to ask if she could order in some manufactured ...
A: You do not need a large supply of antibiotics. All you need are sensitivity discs and they pose no ...
|
| Biology | 7/27/2006 |
Q: Please check my answers to my questions.Thanks 1. By studying the nucleotides in DNA, we get ...
A: You were doing fine until #15 B. Primary succession begins on water or bare rock #16 Natural ...
|
| Disease | 7/26/2006 |
Q: Do a majority of diseases have a central area of origin i.e, Africa, Asia, North America, ect.?
A: So it seems. at least with hereditary diseases. Sickle cell began in west africa. Ebola also began ...
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| biology | 7/23/2006 |
Q: 1.differentiate sexual and asexual reproduction in animals? 2.Is cell an organism by itself? ...
A: 1. Sexual reproduction involves the fusion of gametes while asexual reproduction does not 2. I ...
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| Sweat and Salt | 7/21/2006 |
Q: Are sweat glands specialized depending on where they are found on the body? I am sure it sounds ...
A: Yes this is weird. All sweat glands have basically the same structure. I would expect the salt ...
|
| height | 7/21/2006 |
Q: normally height of a normal human being stops increasing after a certain age.if it is due to growth ...
A: Heighth is determined by growth in the long bones, There are growth plates at the bone ends. ...
|
| biology | 7/21/2006 |
Q: 1.contribution of scientific method and microscope to the development of biology? 2.Is cell an ...
A: 1. The scientific method allows us to separate fact from non fact. Without facts we could not have ...
|
| second law of thermodynamics | 7/21/2006 |
Q: When a brown bear eats a salmon, does the bear acquire all the energy contained in the body of the ...
A: No.The second states that with any conversion of energy from one form to another this a loss of ...
|
| Decomposer and detritivores | 7/19/2006 |
Q: I have some enquiry based on decomposers and detritivores: 1. What are the differences between ...
A: 1. Decomposers derive their energy by breaking down and metabolizing dead organic organisms. What ...
|
| Blood Sugar | 7/19/2006 |
Q: I'm A Paramedic, and a question has been brought up that has me thinking. We have always checked ...
A: The blood sugar level does change rapidly. The blood sigar level may vary slightly between ...
|
| Questions | 7/19/2006 |
Q: 1. Minerals are deposited: a) within bone marrow; b) within bone cells; c) between bone cells; d) ...
A: 1. I chose c for this reason: Deposits of minerals (mostly calcium) could not be made intercellular. ...
|
| what color hair will my baby have? | 7/19/2006 |
Q: I know you can't be exact....but I was wondering what color and texture will my unborn baby will ...
A: The reason it is difficult to predict things like hair color and texture is that there are multiple ...
|
| spleen and liver | 7/18/2006 |
Q: I heard that not cooking your food well enough can be unhealthy because of the blood, does this also ...
A: There is no evidence that ingesting blood is harmful. Eating uncooked meat can be harmful if ...
|
| biology | 7/18/2006 |
Q: Plants heterozygous for flower color have pink flowers. A cross between two pink-flowered plants ...
A: 25% but Let's work a problem so that you know what happens and why Let R = Red r = white ...
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| biology | 7/16/2006 |
Q: 1.The outer covering of viruses is a capsid made of what? 2.Archaebacteria tend to live in extreme ...
A: 1. complex proteins 2. low O2 3. different 4. bacteria 5. single celled 6. outside 7. Bad question. ...
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| can you help me thinking the topic for our investigatory project? | 7/14/2006 |
Q: I can't open the site. I'm getting nervous right now. I want my project to be good, so please help ...
A: I am sorry Sherree. I left a letter out when I gave you the web site. I left out a j Try this ...
|
| Biology Questions | 7/13/2006 |
Q: On question 2 I was thinking it would be C. Why did you rule C out? Thanks. ~TeresCould you help ...
A: Because endocrine secretions are stimulated by nerve impulses. Both involve homeostasis. Nerve ...
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| can you help me thinking the topic for our investigatory project? | 7/13/2006 |
Q: I am inetrested in coming up with new things from old things. My teacher wants us to be resourceful. ...
A: I am glad you got back to me. I think that the best thing I can do at this time is to refer you to ...
|
| can you help me thinking the topic for our investigatory project? | 7/11/2006 |
Q: I am Sheree. In 8th grade. Can you help me with my Investigatory project? I can't think of a good ...
A: I would be glad to help you but you will first have to give me some more information. What are you ...
|
| need Help with Biology Questions | 7/10/2006 |
Q: I always do my own homework, this is the first time i've tried one of these sites . . . i just dont ...
A: From these questions I believe that these are from an online course. Is that correct? I do not like ...
|
| Humidifier Smell/Water | 7/10/2006 |
Q: We have two humidifiers in our home. One in our room, and one in our son's room. The one in our ...
A: It certainly seems like the smell is coming from another source in the room then the humidifier ...
|
| Can u correct these questions that I have answered | 7/8/2006 |
Q: 1.The type of inheritance shown when a red- flowering plant is crossed with a white- flowering plant ...
A: You missed 11 dwayne; I followed them in order. If I put a c you got it right 1Inc dominance 2c ...
|
| eggs | 7/8/2006 |
Q: I see that you answered a question someone asked about blood spots in eggs. You said that this ...
A: Hey margaret. Why are you so hostile? I was not lying. Why would I do that? The presense of blood ...
|
| Arachaebacteria | 7/8/2006 |
Q: I am doing an assignment on Archaebacteria and have come accross a few questions that i cannot find ...
A: First of bear in mind that these organisms are no longer referred to as archaebacteria since they ...
|
| Endotherms | 7/7/2006 |
Q: Ambient temp Body temp Oxygen consumption 0 37 2500 10 37 1500 20 ...
A: AS to question 1. I looked at the data and noticed that the O2 consumption doubled when the ...
|
| general | 7/6/2006 |
Q: In middle eastern countries the women are dressed head to toe in black - is it better to wear black ...
A: It is a fact that white reflects the suns rays while darker colors absorb it so why do people wear ...
|
| Endotherms | 7/6/2006 |
Q: I got some enquiry about endotherms. Suppose that the constant body temperature of endotherm is 37 ...
A: A constant body temperature is controlled in part by the metabolic rate and metabolic processes ...
|
| Evolution | 7/5/2006 |
Q: I would like to better understand this: Basically traditional science defends the idea that through ...
A: I am afraid that I cannot answer your questions to your satisfaction Fabio. You have asked me why ...
|
| Anatomy&Physiology | 7/5/2006 |
Q: All homoeostatic functions of the body involve feedback mechanisms. Why is this vital for the body? ...
A: Homeostasis means maintaining the status quo. Living systems must be in balance within certain ...
|
| Identify and destroy this bug | 7/5/2006 |
Q: Do you know what kind of bug this is and do I need to worry about it. I'm not sure if it's killing ...
A: These are Earwigs, so called because they were thought to crawl into the ears of sleepers and lay ...
|
| growing bacteria | 7/4/2006 |
Q: Can you give me a recipe for growing fungus and bacteria. Thank you.
A: Growing bacteria and fungi requires time and preparation. They have to have a substrat to grow on ...
|
| Biology | 7/4/2006 |
Q: Help please! Need to know if my answers are correct. Can you please check 1. Most of the fruits and ...
A: You did not do well nicole 1. B is correct 2.B nerve cells do not reproduce 3.B is correct 4.This is ...
|
| please answer my questions | 7/4/2006 |
Q: We are a group of biology teachers following a professional development course. We'd be glad if you ...
A: With regard to thes equestions we may be having some language problems as I find it difficult to ...
|
| Biology 30 | 7/2/2006 |
Q: I'm having a hard time on this question Saltatory conduction speeds impulse conduction. Explain why ...
A: The longest sensory neurons are covered with a myelin sheath and myelin is an insulator. Spaced ...
|
| woodlice | 7/2/2006 |
Q: i am doing an experiment in woodlice and would like to ask a few questions . my questions are ... ...
A: I assume you are studying sowbugs or pillbugs (Isopods) I have never done this study. Are you ...
|
| OK I ANSWERED THEM TO MY BEST ABILITY | 7/1/2006 |
Q: When yeast ferments the sugar in a bread mixture, what is produced that causes the bread dough to ...
A: Good for you. Since you did not number them I just went in order 1. CO2 2.correct 3.two pO4s 4. Heat ...
|
| Digestive system | 6/30/2006 |
Q: how do i make a model of the digestive system and what th materials that i will need
A: This is a project that I have never done with a class but here is how I would do it. Get some ...
|
| hello | 6/29/2006 |
Q: i am taking an advanced biology class and am wondering what types of things i will be learning ...
A: All advanced biology classes are not the same and it varies with the school,the teacher, and the ...
|
| Biology - chromosomes | 6/29/2006 |
Q: If you have a diploid number of 8, how many chromosomes will each daughter cell contain? Diploid ...
A: A diploid number of 8 means that there are 4 pair of chromosomes. During mitosis the paired ...
|
| Circulatory system | 6/28/2006 |
Q: I just read that the human circulatory system has its blood distributed: 75% veins, 20% arteries and ...
A: I am not acquainted with thsi study so all I can say is that since all mammals have similiar ...
|
| biology | 6/28/2006 |
Q: NOW IF AN ANIMAL HAD A HAPLOID OF 5 HOW MANY COULD IT PRODUCEi'm confused if an animal had a haploid ...
A: We are considering an organism with a 2n number of 10. The DNA sequences are paired and during ...
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| biology | 6/28/2006 |
Q: i'm confused if an animal had a haploid #of 2(no sex chromosomes) how many genetically types of ...
A: I believe my previous amswer was confusing. Let me start with some basics. Chromosomes are ...
|
| biology | 6/26/2006 |
Q: what is the importance of biology in: Florist Pharmacist lifeguard vendors of fruits beterinarian ...
A: Interesting question Kristal Florist- Needs knowledge concerning types of plants and their growth ...
|
| jellyfish | 6/25/2006 |
Q: Are you saying that the nervous system is not centralized? How does it make decisions, like where ...
A: In a way the entire nervous system is like a brain. All of the neurons are connected in what is ...
|
| Glycogen and what it provides energy to. | 6/24/2006 |
Q: I am currently working on biology in High school and none of the books I have in the course look at ...
A: Glycogen is a complex carbohydrate sometines referred to as animal starch (as opposed to cellulose ...
|
| biology | 6/24/2006 |
Q: what are the contribution of leonardo da vinci and michelangelo to developments of biology?
A: Leonardo was a scientist as well as an artist but did not make any real contributions to biology. ...
|
| biology | 6/22/2006 |
Q: 1. What is the value of biology in the society and technology? 2. What are the development of ...
A: 1. Biology is the study of life and a society is a group of living organisms (like us) Technology ...
|
| biology | 6/21/2006 |
Q: what are the branches pf biology?
A: I have gotten this question at least a dozen times in the last week. Are a lot of you in the same ...
|
| Chemistry and the life of cells | 6/20/2006 |
Q: 1. All except three codons provide codes for amino acids. These three codons are used as _______ ...
A: These are homework questions or test questions and it is my policy not to do them. These questions ...
|
| hot tea in the summertime | 6/20/2006 |
Q: Here's a curious fact I had known for years but could never really explain; maybe you can help. I ...
A: The only explanation that comes to mind Augusto, is that ingesting hot drinks and foods increases ...
|
| biology | 6/20/2006 |
Q: what is biology?
A: Biology is a word taken from the Greek. It means "the study of life" Could you help me out here ...
|
| biology | 6/19/2006 |
Q: branches of biology sub branches of biology
A: There are many branches of biology. We can start with Botany and Zoology as the two main branches; ...
|
| biology | 6/18/2006 |
Q: What is the difference between living from non-living matter and what are the different ...
A: By answering the second question I am also answering the second one. Living things exhibit these ...
|
| biology | 6/17/2006 |
Q: what are the branches of biology? what is life? why is testing important in science? differentiate a ...
A: There are many branches of biology. At first there was just Botany and Zoology (plants and animals) ...
|
| biology | 6/16/2006 |
Q: i just want to ask what are the importance of biology in shelter, food, water, and many more..
A: As worded his is a hard question to answer. Look at it this way. Ask yourself why these things ...
|
| marine biology, (seawater, barnacles) | 6/14/2006 |
Q: if you answers to any of these questions,or anything else on the subject please email me back as ...
A: Barnacles are arthropods that build a calcareous shell to live in. They have jointed appendages ...
|
| Community Interactions | 6/14/2006 |
Q: My teacher handed out a worksheet today, and I am having trouble explaining one of the questions: ...
A: The biotic potential is the actual number of individuals that a species can produce under optimal ...
|
| Biology | 6/13/2006 |
Q: What is the importance of biology for understanding behavior.
A: When we consider the behavior of animals other than humans we have to understand the biological ...
|
| Biology | 6/13/2006 |
Q: i am confused in blood cirulation and how it works and travels where to where.
A: I am afraid you will have to be a little more specific. This is a pretty general question and ...
|
| branches of biology | 6/13/2006 |
Q: could you please tell me all thee branches of biology using a family tree? Dr. Walter Hintz.
A: I am not sure what you are looking for. My guess is that you are seeking a diagram showing the ...
|
| Global Consciousness | 6/13/2006 |
Q: I actually found this theory on wikipedia, after double-checking. It's known as the "100th Monkey" ...
A: A strange happened after I responded to your question the other day. Besides my college teaching I ...
|
| Mushrooms | 6/13/2006 |
Q: I am wondering if you know anything about mushrooms growing in my lawn, and what would kill them and ...
A: First let me explain something about fungi. Mushrooms are the fruiting or reproductive structure of ...
|
| Questions | 6/12/2006 |
Q: RE: Question #1 -- Can you explain how you came to conclusion b). We have been discussing and ...
A: a is actually but is merely restating the question. It is saying that when tRNA binds to mRNA it ...
|
| Global Consciousness | 6/11/2006 |
Q: I've vaguely read in the past about the "Global Consciousness" theory. I believe the theory has been ...
A: Very interesting. I have never read about the "global consciousness theory" before. As to the ...
|
| Bear Hibernation | 6/11/2006 |
Q: I am interested in learning more about what wild animals, bears in particular, do with the wastes ...
A: Actually beras do not enter into real hibernation but undergo what is known as "winter sleep" Their ...
|
| biology | 6/9/2006 |
Q: 1.How might an earthworm's lack of appendage be an adaptation to burrowing? 2. Imagine an assembly ...
A: 1. an appendage is fine for digging and moving soil backwards but would be an impediment to ...
|
| Singing | 6/8/2006 |
Q: I am trying to become a good singer and I just have tons of questions about the science behind ...
A: I really do not know much about singing or the techniques involved but the human vocal cords are not ...
|
| biology | 6/6/2006 |
Q: 1.In the contest over territory, two male deer confront each other with antlers lowered and engage ...
A: I do not know how the authors of these questions came up with a nanometer(question #3) but in no way ...
|
| Food Chains | 6/6/2006 |
Q: Which food chain represents the most efficient use of energy for humans? Or None? Food Chain 1: ...
A: 1st question Food chain 3. This is because of the 2nd Law 2nd question In my opinion all are ...
|
| biology | 6/5/2006 |
Q: 1.In the contest over territory, two male deer confront each other with antlers lowered and engage ...
A: 1. I have seen this question many times. c is probably the best answer 2.c You cannot see ribosomes ...
|
| biology | 6/5/2006 |
Q: meiosis and mitosis !!! I have a test tomorrow and I need an outline for that "meiosis & mitosis" ...
A: Go over the stages of cell division. Then close your book and ask yourself this question. "What ...
|
| biology | 6/5/2006 |
Q: 1.If you're a fat molecule forming the inner layer of a cell membrane, your head will face toward? ...
A: 1. I have problems with this question Mary because the cell membranes are made up of lipoproteins ...
|
| Abandoned Agricultural Field Study Question | 6/5/2006 |
Q: The data below was taken during a study of an abandoned agricultural field. Scientists counted the ...
A: question 1 conclusions Shrubs appear before trees It takes a long time for the biodiversity to ...
|
| mitochondrial deficiency | 6/3/2006 |
Q: This is my biology homework. I'm allowed to ask anybody I want as long as I quote you. ...
A: I do not know much about cytocrome b deficiency but lack of muscle mitochondria could cause a ...
|
| Biology | 6/2/2006 |
Q: What is Emphysema? Is ther any treatments?
A: This is a lung ailment whereby the alveoli have lost their elastitcity make it difficult for the ...
|
| Info | 6/2/2006 |
Q: I have two questions 1.) Why does a person floats on a liquid(especially water)after death(if the ...
A: 1. Upon the death on the individual decay brings about the formation of methane gas bloating the ...
|
| biology | 6/2/2006 |
Q: can you compare and contrast mitosis and cytokinesis in animal cells and plant cells
A: The main difference occurs during telophase when the cells divide completely. In animal cells a ...
|
| Biology | 6/1/2006 |
Q: what does cholesterol do? A. it makes steriods. B. it provides crucial amino acids. C. it reduces ...
A: I will help you when I can but remember that I will not do your homework. To many students will ...
|
| Biology | 6/1/2006 |
Q: what does cholesterol do? A. it makes steriods. B. it provides crucial amino acids. C. it reduces ...
A: All of these other choices are wrong, but theanswer you will have to pick is A. Cholesterol is the ...
|
| Skin Pigment | 6/1/2006 |
Q: Has biology discovered a limited number of human skin pigments as that a complete color palette ...
A: Skin color depends upon multiple alleles and as far as I know there is no real limitation to the ...
|
| Biology | 6/1/2006 |
Q: Mitochondria and chloroplast were once thought to be free living , whats the name of that theory and ...
A: The word you are searching for is Endosymbiosis. This idea was put forth by a great biologist named ...
|
| Why are the ratios of elements... | 6/1/2006 |
Q: Why are the ratios of elements in molecular formulas always fixed, H2O instead of H5O? and CH4 ...
A: This is a good question and one that I often get from my students. Chemical language is a lot like ...
|
| Biology | 5/29/2006 |
Q: How do trees in a forest sequester(incorporate) carbon adn thus decrease global warming? What plants ...
A: Trees take in CO2 through openings in the leaf called stomata. I do not know which plants in ...
|
| virus | 5/28/2006 |
Q: hope to find u in good health.I sometimes wonder about viruses.what they are?can they be annihilated ...
A: I live in the state of Ohio which is in the midwestern part of the US. The virus enters the human ...
|
| Room Temperature/Weather | 5/28/2006 |
Q: I have always wondered why in the winter, the temperature of my house is 70 degrees, feels too cool ...
A: I have to admit it but I too wonder why this is so. Temperature regulation of our bodies varies ...
|
| Filiment worms | 5/28/2006 |
Q: Mr. Hintz: Any information on filiment worms for the Oregon area? Found a worm this morning in our ...
A: This is amazing because I have been talking to a woman from Oregon about worms she found. I have ...
|
| virus | 5/26/2006 |
Q: hope to find u in good health.I sometimes wonder about viruses.what they are?can they be annihilated ...
A: It has been a long time. A virus is a bit of DNA surrounded by a protein coat or shell. It lacks ...
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| Tundra | 5/25/2006 |
Q: Will global warming or human intervention have a negative impact on the tundra in the future?
A: Abslolutely. Biomes are as they are due to abiotic factors like precipation and temperature so a ...
|
| The Eye | 5/24/2006 |
Q: What are the structures that enable vision? the least amount of stuctures, i can read about the ...
A: Have you ever seen how a pinhole camera is made? All you need is a box with a hole in front and ...
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| DNA sequence encoding..... | 5/22/2006 |
Q: Mr. Hintz, Someone asked these same series of questions some time ago. I followed the ...
A: This is a piece of DNA. To get the template you will have to show the mRNA sequence. Use the base ...
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| dog urine | 5/22/2006 |
Q: Can you tell me why dog urine stains so badly and is so difficult to remove stain and smell no ...
A: I am sorry that your dog is having this problem. I do not know what products are best. I think ...
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| Body waste | 5/17/2006 |
Q: How percisely can a person push their body to remove waste naturally? Can a person have all waste ...
A: I am not sure what you are thinking about here James. Elimination of wastes is a natural process as ...
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| Biology | 5/16/2006 |
Q: 1) according to the "Gremlin Hypothesis," hundreds of invisible gremlins reside inside every light ...
A: I am sorry but these questions require pages of response and explanation. They invole research that ...
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| Bioenergy | 5/16/2006 |
Q: i was disappointed, when u responded to my last question by saying that "i dont do home work ...
A: Sorry vishnu; I do not recall this particular question but from what you wrote I do not consider ...
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| Pathogens/immunity/disease | 5/16/2006 |
Q: Just a quick question, do all pathogens that enter an organism cause disease? AND...one more- what ...
A: The word pathogen implies that the organism is disease causing so the answer would be yes. However ...
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| Breathing | 5/15/2006 |
Q: What happens to our breathing rate when we exercise and how is it regulated? Why is this, an example ...
A: When we exercise we increase the CO2 level in the blood. Chemoreceptors in the neck detect the ...
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| Biology | 5/15/2006 |
Q: Please sir, can you give me detailed precise information about the importance of biology?
A: I seem to get this question a lot. It seems to me that the importance of biology (and I guess we ...
|
| earthworms | 5/14/2006 |
Q: what is bilateral symmetry when they talk about earthworms?
A: Animals with a bilateral symmetry can be divided into a right and left side by a division through ...
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| AIDS | 5/12/2006 |
Q: I wish to know as to how the White Blood Cells are incapable of defeating the virus? And what ...
A: A virus particle injects it's DNA into the host cell (T lymphs) The white cells have no defense ...
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| antibacterial gels harmful to you? | 5/9/2006 |
Q: I hope I'm finding you in the best of health. I saw places like Crabtree&Evelyn sell antibacterial ...
A: I do not know anything about this product but personally I would avoid using anything with such a ...
|
| animal cells | 5/9/2006 |
Q: Why are animals made up of more cells rather than bigger cells?
A: Good question David; I have a whole lecture on this topic but I will try to summerize it for you. ...
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| Agar mixtures | 5/8/2006 |
Q: Can you please aid me in a homemade agar mixture that will grow most molds found in buildings and ...
A: E. The best commercial agars for growing fungi are Sabarouds dextrose agar (SDA) and Potato dextrose ...
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| Photo-sensitive sneezing | 5/7/2006 |
Q: What's up Hintz? I suppose this would be a biological question. Why does light make me sneeze. ...
A: I know what you are talking about because it happens to me also. If I feel like a sneeze and can't ...
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| micro biology | 5/6/2006 |
Q: What kind of fungus, bacteria or mold causes the stinky smell in sneakers? What is the best way to ...
A: The usual cause of smelly sneakers is the presence of two different types of bacteria: ...
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| nervous system | 5/6/2006 |
Q: explain the term "motor impulse" in relatoin to muscle contraction. define the term "motor point".
A: Nerves are either sensory or motor. Sensory nerves carry messages to the spinal cord and brain. ...
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| Biology | 5/5/2006 |
Q: While walking through a forest you notice the someone has carved their initials into the bark of a ...
A: The initials will still be five feet from the ground. The main trunk grows in diameter but not in ...
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| fingerprints and i.q | 5/4/2006 |
Q: Followup To i choose the topic because i like forensics and it would be interesting on how ...
A: Yes it would be interesting if fingerprints affected intelligence but they do not. Think about it ...
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| fingerprints and i.q | 5/4/2006 |
Q: my topic is DO FINGERPRINTS AFFECT YOUR I.Q? HELP IF U COULD PLEASE RESPOND ASAP ...
A: You can certainly find a lot about fingerprints at google but I know of no connection with I.Q. In ...
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| fingerprints and i.q | 5/3/2006 |
Q: my topic is DO FINGERPRINTS AFFECT YOUR I.Q? HELP IF U COULD PLEASE RESPOND ASAP ...
A: Let me be honest with you Dan. This is not a good project and it cannot be tested. First of all ...
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| question of interest | 5/2/2006 |
Q: Can blind people see their dreams?
A: Dreams are based upon visual memories stored in the occipital lobe. They cannot visualize memories ...
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| carbon dioxide removal | 5/1/2006 |
Q: I have a paper to write '' Co2 is toxic and must be removed from the body, discuss in detail how ...
A: CO2 ia a component of the air we breath. It is not a toxin so I do not know where this statement ...
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| Seeing things when my eyes are closed | 4/27/2006 |
Q: I am curious as to why I see clear, moving images of people's faces (not people I recognise) when I ...
A: I am afraid that I must join all of the others who can offer no explanation for this. It appears ...
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| Photosnthesis and cellular respiration | 4/25/2006 |
Q: What do you mean you you said "Chlorophyll is not involved in Cellular respiration?
A: Chlorophyll is necessary for photosynthesis. 6CO2 + 6H2O >>>>> C6H12O6 + 6O2 (Light and ...
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| humidity response in woodlice | 4/23/2006 |
Q: I asked an expert in here and he is on vacation! I don't know if my question category is right, but ...
A: First of all it is true that evaporation is less in humid conditions. Please note that I refer to ...
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| Nutrition. | 4/14/2006 |
Q: Is it better to use all natural food and vitamin products than to use synthetics versions? Or are ...
A: I believe it is better even though chemically the vitamins are the same. From an environmental ...
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| Aging and death | 4/14/2006 |
Q: What exactly causes people to age and eventually die? There was this one guy whom was talked about ...
A: You have posed a lot of questions here James, most of which I have no answer for. I developed and ...
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| humans | 4/12/2006 |
Q: I was watching a show on prokaryotes and eukaryotes and it said that they are what everything came ...
A: Evidence tells us that life forms began from single cells and the firtst cells were prokaryotes. ...
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| birds evolved from dinosaurs | 4/11/2006 |
Q: I know that birds are deprived from dinosaurs, but how could they have evolved if dinosaurs and ...
A: Good question Christina. Extinction is a part of the evolutionary process. The evolution of ...
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| calcium | 4/9/2006 |
Q: Why do we need to increase our calcium (Ca++) as we get older?
A: Bones are constantly breaking down(osteoclastic activity) and being built up (osteoblastic activity) ...
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| breathing | 4/9/2006 |
Q: Why do we breathe?
A: Do you mean the reason we breath or what makes us breath? Reason: Breathing is the mechanism by ...
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| how does DNA hold information... | 4/5/2006 |
Q: how does DNA hold information?
A: I have a whole lecture on this sarah but I will simply summerize things and if you have a question ...
|
| Genetics | 4/5/2006 |
Q: Males have XY chromosomes while the females have XX chromosomes.In science male is responsible for ...
A: It is all a matter of chance Muhammad. When sperms develop they contain either the x or y ...
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| biology-red blood cell and too much hemoglobin | 3/28/2006 |
Q: A doctor tells a patient that his red blood cells are abnormally high in hemoglobin content. The ...
A: This is a silly question that puzzles me for many reasons. The red cells themselves can be low ...
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| Gas exchange in birds, fish, and humans. | 3/27/2006 |
Q: I need help comparing and contrasting the gas exchange systems of birds, fish, and humans. Why can ...
A: First of all keep in mind that fish require less O2 then birds and mammals since they are cold ...
|
| Dear Sir'
I would like... | 3/27/2006 |
Q: I would like to thank you. I am 45 years old and going back to school to be a nurse. These questions ...
A: I will do what I can Debbie and I admire you for going back to school. I teach biology at a ...
|
| Dear Sir,
the questions... | 3/27/2006 |
Q: the questions that I ask you are home work, however they are not in my text book, these questions ...
A: I hope you understand but you have sent me many questions , many requiring very long explanations. ...
|
| nipple sensitivity | 3/25/2006 |
Q: Who's nipples are generally morew sensitive? men's or women's? i need to settle a debate!! thank ...
A: Since both respond right away to touch I would say that there is no difference in the actual ...
|
| Replication and reproduction of genes | 3/24/2006 |
Q: Mr. Hintz, I am currently taking a college level biology class and I have two questions about genes. ...
A: This is tough to answer because I do not know how much you already know about DNA and meiosis. I ...
|
| Alternative Biology. | 3/23/2006 |
Q: To start with I must state a fundamental fact of the universe. That is, any finding can be ...
A: This is a tough one Sam but I do not think the world would be any different. Why do you assume that ...
|
| Birds | 3/21/2006 |
Q: I know that some birds have scales, but why do they have scales? Reply A.S.A.P ...
A: You have asked a question from the field of evolutionary biology. They have scales for the same ...
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| biology | 3/20/2006 |
Q: Why is lactic acid fermentation used in our bodies? What does it do?
A: Muscle tissue does not have a large O2 supply but still the muscles require energy. Fermentation is ...
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| botany | 3/19/2006 |
Q: I have got 2 questions.Hope u don't mind: 1 It is said that the one of the major forces that is ...
A: 1. Transpiration is important when water has to move a greater distance against gravity and osmosis ...
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| rings | 3/13/2006 |
Q: hope to find u in good health i have a question about rings sometimes it appears on skin that it is ...
A: It sounds like a fungus infection of the skin called ringworm. It is related to the fungus causing ...
|
| smells | 3/10/2006 |
Q: So this may seem like a really elementary question, but why do farts and feces smell bad? like the ...
A: I get this question about once a year. During digestion foods are broken down and new chemicals are ...
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| biology | 3/9/2006 |
Q: 1.Qxygen red blood cells arrive at capillaries through. A.arterioles B.cell walls C.venules ...
A: 1 A 2 C 3 B 4 C 5 D 6 D 7 A 8 C 9 C 10 A I do not usually answer these homework questions but your ...
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| evolution | 3/8/2006 |
Q: What is your opinion on evolution? Has it been proven? What is the largest agreement?
A: Is it a scientific fact? Not really because it cannot be proven false. Does the theory fit the ...
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| Palaeolithic Man and Sleep Habits | 3/6/2006 |
Q: I'm currently doing a Palaeolithic-type diet and am doing very well on it. I'm now studying ...
A: I find this fascinating but I do not know much about the Paleolithic period including the sleep ...
|
| "I am boy at the age of 16.... | 3/5/2006 |
Q: "I am boy at the age of 16. But i am little bit shorter than my frends. So i want to increase my ...
A: Sorry about the misunderstanding Mohamed. In the US when a male asks about length it means penis ...
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| Bacteria growth | 3/4/2006 |
Q: I 'm doing a science fair project on how different kind of light effect on the growth of bacteria. ...
A: Most bacteria do not require light for growth but can be killed by ultraviolet wavelengths. This ...
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| Bacteria | 3/3/2006 |
Q: Is there more bacteria in a human's mouth, on a toliet, or in a dogs mouth and why? Help would be ...
A: There are some factors to consider Did a person just clean their teeth? Is the person or dog sick? ...
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| increse my length | 3/3/2006 |
Q: I am boy at the age of 16. But i am little bit shorter than my frends. So i want to increase my ...
A: I assume we are talking about penis size. Penis size is a part of your heredity so at this point ...
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| Biology | 2/28/2006 |
Q: i have been stuck on these questions for a while now. Any help would be greatly appreciated! 1. ...
A: 1. b and g are autotrophs 2. I guess you could call it opposable like a thumb is called. 3. ...
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| Biology 11 | 2/26/2006 |
Q: I have three questions for you... 1)What was Lyell's contribution to scientific knowledge? 2)Why ...
A: 1.His concept of uniformitarianism. He made geology scientific not just based upon fundamentalist ...
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| Biology... | 2/24/2006 |
Q: I Need Alot of help and im hoping you can help me!! Suppose you're a physician treating an infant ...
A: I usually do not do Multiple choice questions Tanna. I will go over these. In the future look for ...
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| Crop disease | 2/24/2006 |
Q: Why is biological literacy essential in the battle against crop disease? And: What is the ...
A: Disease is a manifestation of biological organisms. You have to know the enemy. A hypothesis is an ...
|
| darwinism | 2/23/2006 |
Q: I'm sorry to ask a half historical question. I'm recently doing a project on darwinsim. But I'm ...
A: Social Darwinism is a theory that evolutionary theory can explain political and ethical thought. ...
|
| electricity | 2/23/2006 |
Q: Explain why electricity kills?
A: The nerve pathways through the heart are cyclic. the neurons are polarized to permit the impulse to ...
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| regeneration of flatworms | 2/22/2006 |
Q: Hintz, My son wants to do an experiment on the regeneration of flatworms but we don't know where to ...
A: Two weeks is not much time and it takes more than two weeks for generation in planaria to occur. ...
|
| Ebola? | 2/22/2006 |
Q: Sorry it has taken me so long to return the last e-mail and thanks for responding so soon last time ...
A: You are correct in that I do not remember the exact question about Ebola. I have not kept up with ...
|
| Scientific Experimentation | 2/22/2006 |
Q: Has scientific experimentation proven that life spontaneously originated on Earth from non-living ...
A: No. Experiments have shown that life comes from life and is not spontaneously generated. Some ...
|
| biology | 2/18/2006 |
Q: the question is three fold: Please explain the importance of the surface area/volume ratio to a cell ...
A: This is a somewhat complicated concept so stick with me. There is a mathematical principle called ...
|
| Hello | 2/17/2006 |
Q: how are you? I was wondering if you can explain to me this question. I am a independent AP student i ...
A: It is difficult to answer this question briefly since I am unaware about what you already know about ...
|
| biology | 2/13/2006 |
Q: 1 about how common is Alcaptonuria 2 is Alcaptonuria caused by a gene mutation or a chromosome ...
A: AKU is a genetic mutation or inborn error of metabolism (IEM) The gene locus is known (3q21q-23) ...
|
| dog urine saturated carpet | 2/12/2006 |
Q: I'd like to know what kinds of bacteria and mold grow in dog urine saturated carpeting, pad and ...
A: Bummer!! Since the urine is acid and contains nitrogen, ammonia is a byproduct which will retard ...
|
| Mercury in Fish etc. | 2/12/2006 |
Q: There's been a big media scare in recent years re the danger to humans of mercury levels in fish. ...
A: It is not just a theory. There has been an increase in the Mercury level in certain fishes, ...
|
| A&P Lab Help! | 2/11/2006 |
Q: I have an anatomy and phsiology test coming up and I am not sure if I understand the concepts and ...
A: I am having problems with this lab. If I understand the proceedures I would expect blood cells to ...
|
| Marine Parasites | 2/10/2006 |
Q: What is the difference between a monogenean and a digenean parasite? What is the difference between ...
A: Mono means one and di means two Monogeneans are flukes that complete the life cycle in one ...
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| Human Beings.. | 2/10/2006 |
Q: What causes people to age ? What is the "biological clock"?
A: The aging process seems inevitible and is still mysterious. We believe that individual cells are ...
|
| biology | 2/10/2006 |
Q: thx walter for ur previous response... X grade actually meant 10th grade,,, the roman numeral,, the ...
A: Tenth grade. Got it. 1.Dogs have keen sense of smell which can help in some detection 2. Lipids ...
|
| biology | 2/10/2006 |
Q: ... i am a student of X grade... can u please help me with the following questions--- 1. Several ...
A: 1. Growth depends upon the root system. Pruning it will stunt growth 2.Handedness is determined by ...
|
| Shape of Salmonella typhi | 2/8/2006 |
Q: had a project concerning an in depth description on the bacteria Salmonella typhi which causes ...
A: On special media S typhi grows in circular colonies but the individual bacteria are separate. There ...
|
| biology 12 | 2/6/2006 |
Q: I need a 200 word answer to this question and I am not uderstanding this plant 1 is supplied with ...
A: I am in no position to produce 200 word essays but I can point you in the right direction. Look at ...
|
| Sonic waves affect the brain? | 2/6/2006 |
Q: First of all it was difficult for me to find an especific expert to ask this question because it ...
A: I am not an expert on sonic waves. However sound waves have been used by dental hygenists to clean ...
|
| can liquids other than water grow radish? | 2/5/2006 |
Q: I am doing an experiment and i need to find some fact why soysause, 7-up, and milk make the plant ...
A: All plants need water to grow but milk , soda pop etc.are mostly water. The other ingrediants might ...
|
| biology | 2/2/2006 |
Q: How do you predict the weight or volume or surface are of an object from each other?
A: I suppose that all predictions are based upon known facts and observations. Geologists predict ...
|
| Laughs | 1/29/2006 |
Q: Why is it that when we laugh, we tend to say "ha ha ha" but not other pronunciations?
A: I started thinging about laughter and came to the conclusion that we do not really say ha ha at all. ...
|
| Plagues | 1/27/2006 |
Q: What causes plagues to stop ? ? ? What caused the 1918 flu plague to stop killing people ? ? ?
A: There can be more than one reason depending upon the causative organism. Some people have a greater ...
|
| Dying Instantly | 1/26/2006 |
Q: but do you know what part of a second in time does the blood stop in the heart, blood to organs, ...
A: I do not know if we can be as precise as you want because there are variable factors involved. If ...
|
| Dying Instantly | 1/26/2006 |
Q: How does the body shut down when we "Die Instantly" as in a car accident?
A: Instant death is kind of a misnomer. In most states death is defined as the cessation of brain ...
|
| biology | 1/23/2006 |
Q: how many codons are needed to create a gene?
A: The general rule is "one gene equals one polypeptide" A polypeptide in this case is made up of 450 ...
|
| biology | 1/23/2006 |
Q: how can geographic isolation change a population's gene pool? why is rapid evolutionary change more ...
A: The isolation separates the number of individuls in the population and the lerger the popu;lation ...
|
| Canine VS Feline | 1/23/2006 |
Q: My son is testing whether dogs or cats have more bacteria in their mouth for his 4th grade science ...
A: What grew are either bacteria colonies or fungus colonies. Be sure you or your son does not touch ...
|
| biology | 1/21/2006 |
Q: what are the two parts of a conclusion?(scientific method):
A: Was the hypothesis proved or disproved You have seen that I occcasionally avoid answering some of ...
|
| DNA | 1/19/2006 |
Q: I would really appreciate it if you can tell me a Science fair project i can do for my high school ...
A: There are many projects you can do. Go to this site http://www.cdli.ca/~jbarron/biology.html It ...
|
| sensory and nervous system | 1/13/2006 |
Q: desribe how the sound of your friends voice is converted into nervous impulses to be sent to the ...
A: The first question involves the anatomy and physiology of the ear. To summerize the air vibrations ...
|
| sensory and nervous system | 1/13/2006 |
Q: the nerve cell is specialised to transmit messages from one part of the body to another. Explain how ...
A: This question requires a very long involved explanation. This information should be in your text ...
|
| Human Body Systems | 1/12/2006 |
Q: can you pls help me with some materials on Human Body Systems, say for example, some lecture notes, ...
A: This is a large undertaking J. There are so many materials available. What grade level is this? I ...
|
| About my science fair project | 1/11/2006 |
Q: I need help on a idea for my science project can you give me site on where to show me step by step ...
A: There are a lot of books and articles about this topic. Are you acquainted with Google? If not go ...
|
| Biology- Water Molecules | 1/11/2006 |
Q: Explain why water dissolves so many different substances.
A: The water molecule consists of two atoms of Hydrogen each with a positive charge (Each atom is a ...
|
| parasites | 1/11/2006 |
Q: Are there any examples of symbiotic relationships that are initially mutualistic (good for both ...
A: According to those who study the biology of parasitism most parasite-host relationships began as ...
|
| Taxonomy | 1/10/2006 |
Q: Hintz, My name is Kyle and I am in 10th grade biology. My teacher gave us an extra credit assignment ...
A: 1. The science of classifying living things 2. To classify and catagroize living organisms 3. He ...
|
| Is a dog's mouth cleaner than a human's mouth? | 1/1/2006 |
Q: I am using easy gel petri dishes for this experiement. I read your answer to Mackenzie. I am a ...
A: Mouth germs grow best at body temperature but a furnace room would work and most germs grow in 24 ...
|
| Botany | 12/30/2005 |
Q: I'm doing a science fair project on how the ingredients of sugar, vinegar, and an asprin mixed ...
A: It would help me answer your question if I knew a little more about your hypothesis, experimental ...
|
| dryness? | 12/29/2005 |
Q: hope to find u in good health thanks a lot for being so helpful.i have a question about general skin ...
A: Here are some causes for dry skin Abdul. Inactive oil glands Exposure to weather or chemicals ...
|
| dryness? | 12/29/2005 |
Q: hope to find u in good health thanks a lot for being so helpful.i have a question about general skin ...
A: Dryness can be caused by a lot of things. I think that using some kind of a cream like a chapstick ...
|
| Cramps | 12/28/2005 |
Q: Hoping that your last name does not imply that you will be supplying partial answers, here we go. ...
A: A Charley horse is a pain in the quadriceps femoris. No one really knows where it came from. There ...
|
| Hi Walter, I live in the... | 12/24/2005 |
Q: I live in the San Francisco Bay Area and within the last 15 years or so some of the local streams ...
A: I was unaware that salmon have been running in streams in that area. My question is " Are they ...
|
| Biology | 12/19/2005 |
Q: What is the difference between in intelligence and wisdom in biological terminlology?
A: I am afraid that I can only answer this in terms of my own thinking and that is that these are not ...
|
| Blood type | 12/19/2005 |
Q: A friend mentioned some stuff I'm not completely sure about... that blood types A, B, O and AB have ...
A: C. The "subcategories" you mention are,in genetic terms, genotypes. Keep in mind that for every ...
|
| Question about genetics | 12/14/2005 |
Q: I was recently reading an article about "Ligers" and noted that if the father is a lion, then it ...
A: The names tiger and lion do not have reference to the sex of the animal. It is just a matter of ...
|
| frogs | 12/12/2005 |
Q: Why are frogs bellies soft and how much blood is needed to create one liter of urine?
A: Two unrelated strange questions here. Why are frogs bellies soft? This is evolutionary biology and ...
|
| chileys | 12/11/2005 |
Q: hope to find u in good health i have a question regarding the use of peppers generally chillies y we ...
A: Nice to hear from you again abdul. The fiery substance in chilies is an alkaloid compound called ...
|
| Cystic Fibrosis | 12/6/2005 |
Q: A couple who are both carriers of the gene for cystic fibrosis have two children who have cystic ...
A: The trait is recessive. With two parent carriers the chance of having a child with it is 25%. Make ...
|
| I am in seventh grade and... | 12/2/2005 |
Q: I am in seventh grade and doing a science fair project on how color affects people's ability to ...
A: I have not heard of a study involving color perception and memory so I typed in "color and memory" ...
|
| assinment | 12/2/2005 |
Q: Assignment: human genetics Problem # 1: People with albinism do not produce the pigment melanin. ...
A: #1 Both parents are heterozygous normal Father ______________-________ Mother child ...
|
| Ecology | 11/29/2005 |
Q: Kudzu, a leguminous vine native to Japan, is considered an exotic invader in this country but not in ...
A: Different niche means different conditions and competition. Kudzu has an edge with less competitive ...
|
| Biology | 11/28/2005 |
Q: Can you help me out with this question? 3. How does a shift in niche benefit competing species ...
A: Consider the Galapagos finches. On one of the islands different finches were competing for seeds. ...
|
| i know all homoestatic functions... | 11/25/2005 |
Q: i know all homoestatic functions of the body invlove feedback mechanisms. why is this vital for the ...
A: It is vital that physiological activites are kept under control. Homeostasis is the maintainance of ...
|
| explain how antidiuretic hormone... | 11/25/2005 |
Q: explain how antidiuretic hormone (ADH) controls the amount of water removed from the body. in very ...
A: Water is removed from the body by osmosis through the distal tubules in the nephron. (Find a sketch ...
|
| Hormones in life. | 11/18/2005 |
Q: What are the effects of hormones exactly? Are they really the main thing that controls the phazes of ...
A: Apparently halting the aging process requires altering the factors that cause cellular damage. At ...
|
| Hormones in life. | 11/18/2005 |
Q: What are the effects of hormones exactly? Are they really the main thing that controls the phazes of ...
A: You have asked questions here that I could prepare a complete lecture on so I can respond only ...
|
| biology | 11/16/2005 |
Q: If a grandmother has a mutation on 1 of her chromosome 11, how is it possible that her grandchild ...
A: Keep in mind that genes are paired for a particular trait. If Grandma has a mutant gene at pair 11 ...
|
| Bio | 11/15/2005 |
Q: . I have 2 questions from my assignemnt. It would be really helpful if u could help me with these. I ...
A: 1. Lets let S= normal blood and s = sickle cell 1st cross Both heterozygous Ss x ...
|
| Bug attraction | 11/13/2005 |
Q: I am a writer working on a novel. One of my characters is a scientist who studies the essence in ...
A: Tannins actual act as a repellant to insects. You may consider pheromones as insect attractents. ...
|
| biology | 11/12/2005 |
Q: What a yawn? I understand the biological purpose of sneezing, coughing, blinking--even burping. Is ...
A: Would you believe that yawning is still a mystery. It was thought it increased O2 intake but this is ...
|
| Science Project | 11/11/2005 |
Q: I'm a 7th grader doing a project on plants. I can't find information on my project. The title is ...
A: I doubt if you will find any information about alcohol and pinto beans. I doubt if anyone has ever ...
|
| what are the sensors of the... | 11/11/2005 |
Q: what are the sensors of the blood pressure called? where are they found, and how do they work?
A: They are called baroreceptors and are located in the internal carotid sinus and in the aortic arch. ...
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| AP Biology Science fair project | 11/10/2005 |
Q: I'm having so much trouble picking out a question for my science fair project. Our teacher wants us ...
A: A lot depends upon a couple of things. What are your interests and what are your resources? What ...
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| Microorganism motility | 11/10/2005 |
Q: I am working on a microbiology project and have run into some questions. I am wondering how you can ...
A: I think the best way to determine this is to research the organisms that move with cilia and ...
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| Giardia | 11/10/2005 |
Q: I have been diagnosed as carrying an organism called Giardia. I have been prescribed several doses ...
A: Are you sure the medicines are antibiotics? I don't believe that antibiotics are effective. There ...
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| endocrine | 11/9/2005 |
Q: I am wondering how to find out if a cell is an endocrine cell or just a normal cell? Thanks.
A: I guess you mean an endocrine cell from a non endocrine cell. If the cell is separated from the ...
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| Biology-excretion | 11/9/2005 |
Q: please answer this question --- thanks very much ------------------------------------------------- ...
A: Excretion is carried about mainly by diffusion in both plants and animals. Mammals use the lungs, ...
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| biology | 11/6/2005 |
Q: My fifth grade students would like to know how an animal can detect if something is edible for them ...
A: I love the curiosity of 4th and 5th graders. Birds instinctively eat only certain things. It is ...
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| biochemistry | 11/4/2005 |
Q: what is the name of the substance that makes crabs turn red when cooked?
A: It is not a substance that turns the crustacean red but what happens to the substance. The procees ...
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| Bio assignment | 11/3/2005 |
Q: I have an assignment question asking - Researchers at Jurassic Park found genes that code for fang ...
A: I will show you how to set up the punnett square and you can fill it in. There are 8 possible ...
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| biology | 11/3/2005 |
Q: It's not an online course but a course at a community college. Here are a few more ?'s if you ...
A: 1.A proteins are made on the rough ER 2.This on confuses me because of the term respiratory. ...
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| Biomes. | 11/2/2005 |
Q: my name is Sara and I'm doing a project for school in which i need to know about biomes. The ...
A: First of all be sure you spell Taiga correctly. Secondly: The Taiga is the largest biome and ...
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| biology | 11/2/2005 |
Q: celery stalks that are immersed in fresh water for several hours become stiff and hard. If left in a ...
A: First question E Second question e I don't like these questions. The first one is designed ...
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| Homeostasis | 11/1/2005 |
Q: Explain how integument maintains homeostasis in the body.
A: The integument(skin) is involved it two areas of homeostasis: mainly thermoregulation and in some ...
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| biology | 11/1/2005 |
Q: what is the relevance of the 1st and 2nd laws of thermodynamics to energy utilization in living ...
A: Energy is the driving force in all life activities. The First law tells us that the amount of ...
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| Biology | 11/1/2005 |
Q: how is protein used as a source of energy ? and explain how glycolysis is called fermentation ...
A: Like all ingested organic foods protein is metabolized. It is deaminated (the NH2 cinverted to urea ...
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| Human decomposition in seawater | 10/31/2005 |
Q: We see many TV shows exploring shipwrecks, like the Titanic. When a body is lost at sea, or buried ...
A: The soft tissues of a Human body are rapidly consumed in a manner of days by creatures such as ...
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| DNA and more | 10/31/2005 |
Q: I just can't seem to figure this out. Can you help? 1. In a contest over territory, two male deer ...
A: I have gotten these same questions so many times and for the first question I usually give the same ...
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| homework :( | 10/30/2005 |
Q: I have a question that my science teacher gave to the class, and i can't find the answer anywhere! ...
A: Simple. The child needs more protein than an adult. During the metabolism of proteins there is ...
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| blood | 10/27/2005 |
Q: desribe the main constituents of blood and their functions
A: The liquid portion is the plasma. It contains the formed elements and proteins (antibodies) It ...
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| blood | 10/27/2005 |
Q: how is a red blood cell involved in moving a molecule of oxygen from the lungs to the tissue where ...
A: The red cell contains hemoglobin which has the ability to carry O2. O2 enters the blood stream by ...
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| Biomes; Tropical Rainforests | 10/27/2005 |
Q: Hintz I am a sophomore at K.P. High School. I am working on a term project to make a fake brochure ...
A: Te most well known indians of the Amazon are the Yanomami. To find out all about them go to ...
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| Bacteria Growth Medium | 10/26/2005 |
Q: My science fair project is to grow bacteria and fungi in a petri dish and seee how different things ...
A: The best medium for growing bacteria for projects is nutrient agar which is indeed a beef medium. ...
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| Cellular biology | 10/25/2005 |
Q: How can the body sense when to convert glucose to glycogen and vice versa
A: This is an excellant question and tough to answer. Basically we know that the body normally remains ...
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| about cells | 10/25/2005 |
Q: I need to know for a project what a ribosome(free) and ribosome(attatched) is it isn't in the book ...
A: Ribosomes are pieces of messenger RNA. The mRNA is made in the nucleus by transcription of a piece ...
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| biology | 10/24/2005 |
Q: compare the size and internal structures of the gamete produced by a male animal to the gamete ...
A: In other words you are asking the difference between sperms and eggs. As to size I can only ...
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| Plant growth and different solutions | 10/24/2005 |
Q: I am doing an experiment on how different solutions affect the growth of plants, such as soda, ...
A: First of all remember that the solutions that you are using are all water with different ingredients ...
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| proteins | 10/23/2005 |
Q: If I went on a total protein diet, could I still have energy? At what point would the protein enter ...
A: All ingested organic compounds are digested and proteins are broken down into amino acids. Some of ...
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| thickness of blood | 10/23/2005 |
Q: How could I determine if blood is thicker (denser) than water?
A: You will have to get some blood The formula is as follows: Density = mass divided by ...
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| protein diet | 10/23/2005 |
Q: If I went on a total protein diet, could I still have energy? At what point would the protein enter ...
A: Certainly. Proteins are digested into amino acids and The amino acids. The amino acids are ...
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| amylase | 10/23/2005 |
Q: why will amylase speed up the breakdown of starch but not cellulose
A: Enzymes are very specific as to which substrat they work upon. It has to do with the chemical ...
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| nutrition | 10/21/2005 |
Q: describe the biochemical structure of major food sources of energy?
A: The major food energy sources are carbohydrates. They all consist of Carbon, hydrogen and oxygen ...
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| Cytoysis | 10/20/2005 |
Q: What is cytolysis? Why and when does it occur?
A: It's the destruction or dissolution of a cell. It occurs when worn out cells like red blood cells ...
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| anatomy? | 10/20/2005 |
Q: Why do many birds (especially domestic ie. chicken) have different collored meat/muscle (light and ...
A: Many birds have two different types of muscle fibers. The breasts of turkeys and chickens have ...
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| digestion | 10/20/2005 |
Q: could you describe the events that would occur to some protein in a boiled egg, from the moment it ...
A: All digestion is carried by digestive enzymes that are hydrolytic. i.e. They chemically add water ...
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| DNA | 10/19/2005 |
Q: How do you get from DNA > finished protein? Summarize the steps between getting from the coding ...
A: DNA transcribes messenger RNA (mRNA) which becomes a template for the amino acid sequence. mRNA ...
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| Biology | 10/19/2005 |
Q: What is density and what is the best way to teach it?
A: Basically it refers to how close together the molecules are: the closer together the more dense a ...
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| microbiology | 10/18/2005 |
Q: I am doing a science fair project on "which type of shoes are the best environment for bacteria to ...
A: This sounds like an ambitious project and unique. I have never seen this done. Have you thought ...
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| frog decomposition | 10/18/2005 |
Q: I am researching for an exhibit, how a dead frog will decay in different environments and the ...
A: Bloating would depend upon the presence of gas forming bacteria and it is likely it would bloat. ...
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| respiration | 10/18/2005 |
Q: descibe how a molecule of oxygen gets from the air outside the body into the blood capillaries of ...
A: The diaphragm muscle relaxes lowering the pressue inside the lung cavity and air rushes in through ...
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| Seed Germination of flowers | 10/17/2005 |
Q: i have to write a paper on seed germination. I have to talk about what happens to seed after its ...
A: I see your problem Tiffany. Have you utilized the library? Look for a college botany texbook. Try ...
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| Genetics | 10/17/2005 |
Q: 1) Predict possible genotypes and phenotypes of an offspring if you are blood type AB and you happen ...
A: 1. AB x O AB x AB O A B ...
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| Feckles | 10/16/2005 |
Q: Do you know any experiments of freckles? I have a lot of freckles myself, so do you think there's ...
A: I bet you are a redhead? Am I right? I have not seen any projects on the subject but freckles ...
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| biology | 10/14/2005 |
Q: Describe why water is such an ideal medium for the existence of life.
A: Cellular activity depends upon exchanges of gases , nutrients and wastes and things must be in ...
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| hiv vaccine | 10/14/2005 |
Q: . it has been 20 years now since the appearence of the hiv virus. As a reference to polio, ...
A: Although I am not an immunologist roy I believe that it has to do with the nature of the virus ...
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| biology | 10/13/2005 |
Q: why is water the basis of living organisms?
A: The secret of a living system is in the cell mambrane and materials have to pass back and forth ...
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| respiration | 10/13/2005 |
Q: desribe how a molecule of oxygen gets from the air outside the body into the blood capillaries of ...
A: The diaphragm expands lowering the pressure inside the chest cavity and air rushes in through the ...
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| what is a disaccharide? give... | 10/13/2005 |
Q: what is a disaccharide? give an example and state how man produces it.
A: A disaccharide is a carbohydrate consisting og two monosaccharide units. It's chemical formula is ...
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| termites | 10/12/2005 |
Q: How does a termite feel? How many times will a termite molt? Can it hear? Has it adapted over the ...
A: Termites have antennae for "feeling" I do not know how often they molt but I suspect it depends ...
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| Meiosis leads to variation | 10/11/2005 |
Q: 1. What do we mean by variation? 2. Why is variation within a species so important? Thanks
A: With the exception of clones no two living things are exactly alike. The things that are different ...
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| biology cycles | 10/10/2005 |
Q: I need to make a drawing combining carbine, water and nitrogen cycles. I have read in my book and ...
A: I hope your book diagrams these cycles. If not look up each cycle separately at google and copy ...
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| Bacteria | 10/9/2005 |
Q: Ok, here goes... A population of bacteria are very sensitive to light. They live in a lake that is ...
A: Interesting problem Merrick. Here is what I suspect. 1. Natural selection. At least one of the ...
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| biology | 10/9/2005 |
Q: I would appriciate the help. 1 how is energy transferred through the chloroplast and mitochondria? ...
A: 1. This is a long answer. Look up the kreb cycle and the cycling of ADP and ATP 2.The peruvate ...
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| Stomata | 10/9/2005 |
Q: I'm wondering why the lower epidermis contains more stomata than the upper epidermis? As well, I'm ...
A: It has to do with the structure of the leaf layers. The spongy layer is located closer to the lower ...
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| WORMS IN MY SINK | 10/7/2005 |
Q: I am also having a problem with little worms in my sink. I read another submission on this subject ...
A: I feel sure that these worms are maggots from the flies you see. Pour about a half a bottle of ...
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| Photons and Mole of glucose | 10/7/2005 |
Q: How many moles of glucose can I make from: 1 mole of red photons (680nm) 1 mole of blue photons ...
A: I returned to this question, Sam, after thinking about it because I believe it to be unanswerable. ...
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| biology-gram stain techniques | 10/6/2005 |
Q: my question is .......... Can iodine be added before the primary stain in a Gram stain? and also ...
A: No The iodine sets the violet stain on Gram positives. You could omit the safranin counter stain ...
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| ASTHMA!! | 10/6/2005 |
Q: i really need informations on this would i say breathing infection. Is it really an infection? what ...
A: You really do need a lot of information yvonne. Asthma is not a respiratory infection nor is it ...
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| science fair question | 10/6/2005 |
Q: I'm taking biology and we're going to be doing a science fair and I need a question. My question was ...
A: You need a different question here. There is no way to measure what your pet is communicating. Try ...
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| general biology | 10/5/2005 |
Q: Why does concentrated salt water kill plants? Why do leaves turn yellow in autumn ?
A: When the roots are bathed in a salt solution water leaves the plant by osmosis dehydrating it. The ...
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| Biology Lab | 10/4/2005 |
Q: Walter Hintz, I have scoured my lab manuel and text and just cant find the answer so I need ...
A: There is something wrong here. You first mention biuret and then benedicts. Biuret tests for ...
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| Evolutionary speaking | 10/3/2005 |
Q: Evolutionary speaking why do females get more vascularity to the skin? ( more blood to the skin?)
A: There are two considerations here Alivia. First I am unaware that this is the case. I believe ,in ...
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| Help | 10/2/2005 |
Q: Could you help me by defining the following terms? electrical shell Family of elements Frictional ...
A: The electric shell is mostly likely referring to the position of the electrons in orbit. Certain ...
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| flaws. | 10/2/2005 |
Q: Are there any known "flaws" in the Human body? This is not a religion-based question but let me ...
A: Good question Chris; It rather depends on what you mean by flaws.As to specific "flaws" I ...
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| The world as we know it. lol | 10/1/2005 |
Q: Ok, until my mind starts wondering again here is my last question to send your way. lol. If a ...
A: A human in space would not be crushed but would due to the cold temperature and lack of oxygen ...
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| The world as we know it. lol | 10/1/2005 |
Q: So people have turned lead or other materials into other materials such as gold, or even hydrogen? I ...
A: I think you have misinterpreted what I said about alchemy. No one has turned lead into anything or ...
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| Organ Transplants | 9/30/2005 |
Q: I have heard that after a certain number of years, I think I remember seven, all the cells in the ...
A: This is a question that I have never considered before. First of all the seven year idea is a ...
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| Biology | 9/30/2005 |
Q: I have two questions that I am unsure about. Thank you. 1. The properties of a molecule determine ...
A: The way these questions are worded you could obviously just answer yes or no but I doubt if that is ...
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| The world as we know it. lol | 9/30/2005 |
Q: I have yet another question that is neither here nor there. lol. My question is about the makeup of ...
A: I cannot think of a code much more basic than that of DNA and RNA. There are only 5 symbols,64 ...
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| The world as we know it. lol | 9/30/2005 |
Q: I have yet another question that is neither here nor there. lol. My question is about the makeup of ...
A: You are really deep James. Your philosophical approach to science is interesting to say the least. ...
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| Graph | 9/29/2005 |
Q: Well I have this graph to plot for an experiment that we did today in class.Let me list out the ...
A: On the vertical axis plot the units of measure (mean distance= average of tries) On the horizontal ...
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| evolution | 9/29/2005 |
Q: I have a question about the mechanism of evolution. I have been studying the creation/evolution ...
A: Of course I do not have a clear explanation of how speciation occurs nor does anybody else. It would ...
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| reading bio papers | 9/27/2005 |
Q: I'm an undergraduate senior in biology just starting to do research and am having quite some ...
A: I have been a biologist for a long time now and I know what you mean. You are probably trying to ...
|
| Listerine | 9/27/2005 |
Q: I am taking a microbiology class and we performed a lab experiment where we licked an agar plate. ...
A: I think we can assume that the Listerine claims are false. Apparently the Listerine did not kill ...
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| Ntirogen Cycle | 9/25/2005 |
Q: hintz, how do i describe the following cycle in nature by using a word bank? (nitrogen fixation, ...
A: This can be a big project Zach The first problem can best be done by diagraming the cycle. ...
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| large intestine | 9/25/2005 |
Q: WHY IS WATER REABSORBED IN THE LG INTESTINE, IS ATP NECCESARY FOR THE WATER TO BE REABSORBED AND ...
A: I really do not like "why" questions carolyn. Your first question is best answered by stating ...
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| science project cleaner mouth | 9/24/2005 |
Q: I am in grade 6. I am interested in doing a project on who's mouth is cleaner mine or my dogs. I ...
A: I don't remember what or when I gave advice to Aubrea but I would be glad to help you. The first ...
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| Hello | 9/24/2005 |
Q: There is one website I believe of a few that make mension of it. ...
A: I will keep an open mind but I believe that this article is designed to sell an appliance. The ...
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| Hello | 9/24/2005 |
Q: Followup To Question - This question might be way out there. But is there a way of measuring the ...
A: It is quite obvious that you are a thinking individual James. I started thinking about this and if ...
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| Hello | 9/24/2005 |
Q: This question might be way out there. But is there a way of measuring the atomic weight of fullsized ...
A: As I stated before the atomic mass of your arm in a gravitational field (On Earth's surface) is the ...
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| I am doing a science project... | 9/23/2005 |
Q: I am doing a science project on how different types of music effects the growth of beans. Do you ...
A: Many years ago I some students in biology class who worked on projects like this. Their results ...
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| Hello | 9/23/2005 |
Q: This question might be way out there. But is there a way of measuring the atomic weight of fullsized ...
A: Interesting question. The term atomic weight actually refers to the atomic mass and weight is the ...
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| biology | 9/22/2005 |
Q: In the lungs is carbon more concentrated in alveoi or in the blood?
A: Are you asking about carbon or carbon dioxide? It makes a difference. The alveoli contain air and ...
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| biology | 9/21/2005 |
Q: 1- What is an advantage of a peer review of a scientific paper? 2-what are some of the things ...
A: These are pretty general questions Stefanie, and the answers seem quite obvious. 1. Any type of ...
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| helicobacter pylori | 9/21/2005 |
Q: how does helicobacter pylori attack and spresd? What is the genus and species name for helicobacter ...
A: Helicobactor pylori is the scientific name. Helicobactor is the Genus and pylori is the species. ...
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| male anatomy | 9/21/2005 |
Q: DO bulls have bone or cartilage in their penis? I have been told dogs do - is this true? WHat ...
A: Yes they do. Most mammals have a bone in the penis including dogs. In fact a walrus has one that ...
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| Eating leaves | 9/17/2005 |
Q: Why don't humans (generally) eat leaves? You know, the kind that grow on trees and bushes, not the ...
A: An interesting question Neal and one that I have never had before. Actually we do use all kinds of ...
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| Write the letter of the word that completes the sentence | 9/15/2005 |
Q: I need your help on some problems that Im having, all you have to do is write the letter of the word ...
A: It seems to me that these are questions that you can easily find answers to in your book. I will ...
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| Answer the question in complete sentences | 9/15/2005 |
Q: I need your help on some problems all you have to do is answer the question in compltete sentences. ...
A: 1. Amphibians have a very thin skin and would dry out if not in the water most of the time and they ...
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| biology | 9/14/2005 |
Q: Are protists engaged in more complex activities than the cells of a multicellular organism such as ...
A: To me this is a tough question Suzann because I believe that complexity is a relative term. Let's ...
|
| a concept map | 9/14/2005 |
Q: a concept map that shows the three subphylum of anthropods, and include two samples for each ...
A: Since a concept map is a diagram I cannot construct it on a computer but the three subphyla are ...
|
| meiosis l and meiosis ll | 9/13/2005 |
Q: i wanted to know why there is no duplication of the DNA between meiosis l and meiosis ll? i looked ...
A: The whole purpose of a mitotic division is reduction division and the production if gametes. ...
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| Organic chemestry | 9/12/2005 |
Q: Ok well i have a few questions im am just plain stuck on... 20. Write the basic chemical formulas ...
A: 20. There are many different compounds here so there is no way I can write all these formuli but the ...
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| anatomy | 9/12/2005 |
Q: Why are veins blue?
A: I will start off by telling you right away that contrary to popular opinion they are not blue ...
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| kidney stone | 9/12/2005 |
Q: hope to find u in good health. i have a question regarding the presence of stone in kidney.what is ...
A: Nice to hear from you again Abdul: These stones are formed by a buildup of crystals that separate ...
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| Biology | 9/11/2005 |
Q: How do cells know how to make the long strands of proteins?
A: Great question Ronnie; It is unanserable because it implies that the cell is involved in some kind ...
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| Biology | 9/11/2005 |
Q: For my biology class, we have to do a little scavenger hunt. I was wondering if you knew what any of ...
A: Nice assignment Elizabeth Bryophyte- Find a piece of a moss Plant lipid- Lipids are oils and ...
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| Biology | 9/6/2005 |
Q: Why can't insulin producing bacteria be made to grow on liver? Answer - Insulin is produced by ...
A: What I am saying is that large molecules must be broken down by hydrolysis into glucose, fatty acids ...
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| information on Tropical Forest Biomes | 9/5/2005 |
Q: I have to do a report on a biome of my choice (tropical forest) for my AP biology course at Ocean ...
A: There are variations but if you visit the Amazon Rain forest you would find: Hot and humid with ...
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| Biomes | 9/4/2005 |
Q: I know that this is more ecology, but it's for my AP Biology class... I am creating a travel ...
A: There are a number of travel agencies that can give you this information. Try this site ...
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| I'm trying to learn how to make or explain a food chain | 9/4/2005 |
Q: I'm having problems on learning how to make a food chain
A: This is easy Latisha. A food chain tells how energy passes from one level to another. At the ...
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| Arctic Tundra Biome | 9/2/2005 |
Q: my name is Liandra Presser and I'm taking AP Biology this coming school year. We were assigned an ...
A: I am a jungle person myself but tundra is also interesting and less complicated. I have been to ...
|
| Anatomy | 9/2/2005 |
Q: I have a question that my anatomy teacher (with a PhD in anatomy) could not answer (and perhaps ...
A: Like your anatomy professor I have no idea why this is so. In fact I did not even this was the ...
|
| Tropical Forest Biome Interesting info. | 9/2/2005 |
Q: I am doing a project for AP Biology and need some interesting facts/information on Tropical Forest ...
A: There are some differences in tropical rain forests or jungles depending on where they are. The ...
|
| Symbiotic Relationships | 8/31/2005 |
Q: What is an example of mutualism, commensalism, and parasitism?
A: With Mutualism both organisms benefit. The algae and fungi of a lichen is an example With ...
|
| Viruses | 8/31/2005 |
Q: I know that antibiotics are used to treat bacterial infections and don't work on viruses, but could ...
A: It has to do with the structure and physiology of the bacteria and the virus particle. Antibiotics ...
|
| Tropical RainForest | 8/29/2005 |
Q: Will you please send me some information about the food web of the tropical rain forest? I looked ...
A: This is difficult because all tropical rain forests(jungles) are not alike. The central american ...
|
| biochemistry | 8/28/2005 |
Q: we are a group of biology teachers , we come from Jordan & we are teaching at high school. we would ...
A: Each of these topics actually involves a complete unit. Photosynthesis: Some background knowledge ...
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| life | 8/27/2005 |
Q: 1) What is the exact defination of life? I want a detailed answer. I have look for it in stanford ...
A: 1. This is really a very difficult question and cannot really be answered because it is to big. But ...
|
| biology | 8/27/2005 |
Q: I hope you help me by answer this question what is the virus?
A: A virus is a non-living infectious agent that attacks living cells. Structually it consists of a ...
|
| Classifications of Plants and Animals | 8/27/2005 |
Q: Walter, I'm glad that I had found you. It's been two days we've been surfing the internet but with ...
A: Wow! 50 organisms by monday. I don't know how much I can help you with this except to tell you ...
|
| amoeba | 8/26/2005 |
Q: How does amoeba detects the presence of food in its surrounding ? Is amoeba also conscious of what ...
A: The amoeba is sensitive to changes in the watery environment surrounding it. A change in the ...
|
| Answer in complete sentences | 8/24/2005 |
Q: My name is Deann and Im just starting 8th grade and have some difficult problems that I hope you can ...
A: 1. Contour feathers are flight feathers and a flightless bird has no use for them so the ostrich has ...
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| proteins in the lipid bilayer | 8/24/2005 |
Q: I have a project due but I cannot find out what the carbohydrate chain does in the cell, more ...
A: Carbohydtare chains join with proteins to form glycoproteins and lipids to form glycolipids. Both ...
|
| Number of Organs in Human Body | 8/24/2005 |
Q: How many organs are there in the human body? I tried counting them system by system and excluding ...
A: This is a problem. Medical dictionaries define an organ as a relatively independent part of the body ...
|
| Coniferous Forest Biome | 8/23/2005 |
Q: I will be a senior this year and am trying to complete a summer project on the coniferous ...
A: This sounds like a great project. However the information you seek here is readily available in any ...
|
| Write the question out in complete sentences | 8/22/2005 |
Q: All you gotta do is write the answer out in complete sentences. 1. Why must all amphibians spend at ...
A: 1. In the early stages of life amphibians breath with gills instead og lungs and must stay in water. ...
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| biology project DUE THIS FRI | 8/19/2005 |
Q: Followup To Question -ok so diz iz the assiment:design an experiment to prove an hypothesis you ...
A: If you do what I told you you will have a designed experiment and will have followed the scientific ...
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| biology project DUE THIS FRI | 8/19/2005 |
Q: Followup To Question - I NEED HELP ON SOME IDEAS OF A PROJECT THAT HAS TO DO WITH BIOLOGY. IM IN ...
A: Ok Nisha. Now we can do something. 1. State a hypothesis Like this "Girls are better at ...
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| biology project DUE THIS FRI | 8/18/2005 |
Q: I NEED HELP ON SOME IDEAS OF A PROJECT THAT HAS TO DO WITH BIOLOGY. IM IN THE 10TH GRADE.. I REALLY ...
A: This is not good nisha. If need a hypothesis than you need a problem and be able to test your ...
|
| Help! | 8/18/2005 |
Q: 1. According to the first law of thermodynamics, ____ can't be created or destroyed. A. sugar B. ...
A: 1 B and D The 1st Law speaks to both matter and energy. This is a bad question 2 A 3 A 4 A 5 B ...
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| biology project DUE THIS FRI | 8/17/2005 |
Q: I NEED HELP ON SOME IDEAS OF A PROJECT THAT HAS TO DO WITH BIOLOGY. IM IN THE 10TH GRADE.. I REALLY ...
A: I have to know a little more and you are short of time. i really hope that Friday is the deadline ...
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| Biology-- Review of the Living Environment | 8/16/2005 |
Q: Well, you see, i've never taken a biology course, this is my first time. It's actually a packet sent ...
A: 1 4 2 all are correct 3 3 and 4 are correct 4 1 These are really bad questions. Asking ...
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| Biology-- Review of the Living Environment | 8/15/2005 |
Q: 1. As a direct result of th elife process called cellular respiration in humans, (1)liquid wastes ...
A: 1 3 2 2 3 1 4 2 You said you had not had a biology course in a long time and suddenly you are ...
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| Biology-- Review of the Living Environment | 8/15/2005 |
Q: 1. Energy for use in cells is stored in the form of (1)chemical bond energy. (2)physical energy. ...
A: 1 1 2 2 3 1 4 1 Keep them coming Elizabeth Unfortunately I think that I am only helping you pass a ...
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| eye colour | 8/12/2005 |
Q: I have a friend who's 25 year old brother's eye colour has suddenly changed from brown to green..is ...
A: First of all since it happened it is, of course. possible. Though unusual, changes in eye color do ...
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| photosynthesis | 8/10/2005 |
Q: I am trying to do a home experiment which reveals starch in the leaves of variegated and non ...
A: You are doing a number of things wrong here. First of all you should boil the leaf in alcohol to ...
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| Nervous system | 8/10/2005 |
Q: friend. No matter how cheesy this sounds - I'd still like to thank you for offering your services as ...
A: It would appear you have come up with some philosophical questions. Since you are a product of a ...
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| Effort | 8/7/2005 |
Q: Is biology hard to take is it like complex can you give the meaning of biology or something thanks
A: Biology is the study of life. There are many branches of biology including the study of animals, ...
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| biology | 8/7/2005 |
Q: i am working for a science fair project,i wish to know if i can produce electricity from trees so as ...
A: I had never heard of this idea so I searched at google and found out that there is no way to produce ...
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| human body | 8/7/2005 |
Q: My son wants to know why we have fingernails and toenails.
A: At first this seems like a simple question to answer but unfortunately "why" questions are very ...
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| Bloodtyping and Nutritional Information | 8/5/2005 |
Q: I have been asked to do a science class in our private school, and I was wondering what it takes to ...
A: In order to type blood you need blood typing sera. All biological supply companies have blood typing ...
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| Avian physiology | 8/5/2005 |
Q: Very right sir but even when hens are kept with roosters what is the probability that every egg is ...
A: I am afraid that I do not know these figures but it seems that roosters mate constantly with hens ...
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| Spiders' Strength | 8/1/2005 |
Q: How strong are house spiders-how much can they lift or pull in pounds per square inch? Sincerely, ...
A: I do not know of anybody who has studied this Jason. There are claims that spiders have great ...
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| viral infection | 7/29/2005 |
Q: How do the structures of bacteria, viruses and mammalian cells differ?
A: Bacteria are prokaryotes. They have a cell wall but no organizes nucleus nor organelles Mammalian ...
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| Link between metabolism and aging | 7/28/2005 |
Q: I would like to know if the speed in which a persons metabolism could affect the rate at which ...
A: There appears to be a relationship between metabolic rate and aging. Studies have been conducted ...
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| the interelationship between man, insect and his environment | 7/27/2005 |
Q: the interelationship between man, insect and his environment
A: I could really go overboard answering this kind of a question. A book could be written about it, ...
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| biology | 7/26/2005 |
Q: can u please tell me what mega-fauna is and what is the current debate issue regarding research into ...
A: This term literally refers to large mammals and in todays usage refers to extinct animals. There was ...
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| Soy Isoflavones | 7/26/2005 |
Q: recently I saw a TV program claiming that based on Dr. Adlercreutz's experiments on soy isoflavones, ...
A: I know these compounds have been used in some therapies treating menopause but reactivating growth ...
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| plant biology | 7/22/2005 |
Q: please could you answer this asap! i understand how plants suck up water from their roots,but after ...
A: The plants you were working with were vascular plants. That means that the have special cells ...
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| observing bacteria | 7/22/2005 |
Q: If you get a water sample, how do you know what kind of substances are in it? And how much bacteria ...
A: What you can see with a microscope depends a lot on how polluted the water sample is. Cloudy pond ...
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| species' extinction | 7/20/2005 |
Q: Why localized distribution and overspecialization can increase a species' probability of becoming ...
A: If a species is confined to a smaller area there is a narrowing of the gene pool making it more ...
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| biology | 7/20/2005 |
Q: Explain how levels of organisation in a hierarchical system assist classification
A: Hierarchical systems are usually based upon going from the simple to the complex: from lower levels ...
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| Ribs | 7/19/2005 |
Q: How many ribs does a human have? My nephew had talked to his grandmother who is very religious and ...
A: I am afraid that Grandma is wrong. The normal human body has 24 ribs, twelve on each side. This is ...
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| horseshoe crabs | 7/17/2005 |
Q: Category: Oceanography has no members, maybe you can help me. I often keep horseshoe crab shells. ...
A: I have done a lot of study and work with oceanography. I have never tried to process horseshoe ...
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| cloning | 7/17/2005 |
Q: Why is it possible for a gene from any organism to function in another organism? Is it because all ...
A: Genes from one organism can function in another only after it is incorporated into the DNA of the ...
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| Science Fair Projects | 7/16/2005 |
Q: Would would be a good, but advanced idea of a science experiment for a science project. I will not ...
A: Answer these questions and get back to me. What grade level Which branch of science (biology, ...
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| Biology | 7/16/2005 |
Q: Hey Walter, have a quick question about an experiment whose purpose is to study the relative effects ...
A: I can understand your confusion with all those Cs As and Gs, Josie Your results have come crossing ...
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| Biology - The Respiratory system | 7/14/2005 |
Q: How is our repiratory system designed to reduce water loss? I've looked through my text book and the ...
A: Actually Julieann the lungs function to contribute to 10-20 % of the bodies total water loss through ...
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| A normal gene - Transcription and Codon | 7/14/2005 |
Q: Durnerin here AGAIN! I'm pretty confused on the tata box and transcription. MyIf a point mutation ...
A: I am sorry but I have not been keeping up with the constant changes in molecular genetics. The tata ...
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| Energy | 7/13/2005 |
Q: please could you tell me what happens to the energy of a creature when it dies? Thank you
A: The Law of Conservation of matter and energy tells us that matter and energy cannot be created nor ...
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| Brain's capacity | 7/11/2005 |
Q: Really? So what the large part do in our life? Do we need it at all? How to use the brain more? ...
A: There is still a lot of mystery about the human brain. People can survive when one whole side of ...
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| acorn growth | 7/10/2005 |
Q: I have lots of oak trees in a field next to us which drop their acorns all over the place. However ...
A: This is a very interesting observation Chris and one that I never thought about. My back yard is ...
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| sex-linked recessive traits | 7/9/2005 |
Q: sex-linked recessive traits are expressed in all males but not necessarily in all females. Why is ...
A: The Y chromosome in males does not carry genes so if a recessive trait occurs on the X chromosome ...
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| plasmids | 7/9/2005 |
Q: Followup To Question - Has anyone noted plasmids in cyanobacteria and more importantly, in ...
A: I discovered a paper describing the mitochondrial DNA as being in 5 to 10 rings These rings contain ...
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| Punnet Chart | 7/9/2005 |
Q: How can I make a punnet chart showing the crossing of (P1)2 jackalopes with long ears resulting in ...
A: The way the question is worded you cannot show a punnett square where ALL have short ears. You could ...
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| plasmids | 7/9/2005 |
Q: Has anyone noted plasmids in cyanobacteria and more importantly, in chloroplasts? Answer - ...
A: Of course both mitochondia and chloroplasts have DNA which lends credence to endosymbiosis but as ...
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| Digestion | 7/7/2005 |
Q: I found your ad on the web and would like to answer my question. Let me introduce myself to you a ...
A: I am not sure what bio-iformatics is all about but am always pleased to meet somebody interested in ...
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| microbiology | 7/4/2005 |
Q: I heard about an instrument called a germometer on CNN. I believe it was/is used to detect and ...
A: I had never heard of this product John so I did a litle research. The germometer refers to a ...
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| drawing blood | 7/4/2005 |
Q: When drawing blood, why is the needle always placed in veins? And why in the direction blood is ...
A: There are a couple of reasons that venous blood is drawn Wendy. One is that the diagnostic tests ...
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| viral meningitis outbreak | 7/4/2005 |
Q: i'm not sure if you are the person to turn to but maybe you can help. there are quite a few cases ...
A: Meningitis is an inflammation of the linings of the spinal cord and is a condition with different ...
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| animals and plants in ice ages | 7/4/2005 |
Q: I was wondering about what experts say about the survival of plants vs. animals in Ice ages. Animals ...
A: It is true that many larger animals can migrate. Some like the mammoths did not however. Those ...
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| ATP production in the Kreb's Cycle | 7/3/2005 |
Q: Okay, that it begins in glycolysis I understand. But, in my professor's hypathetical question of ...
A: I guess I have been making things more complicated than necessary. Certainly when anything is ...
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| ATP production in the Kreb's Cycle | 7/3/2005 |
Q: Walter, I wasn't clear on you answer from yesterday. I understand that it would be related to the ...
A: The end product of glycolsis is pyruvate, a 3 carbon molecule. In the mitochondria oxidative ...
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| Answer the question | 6/28/2005 |
Q: number of chambers in heart, Internal or external fertillization, Ectothermic or endothremic, Organs ...
A: I do not usually answer this kind of question because this information is found in all biology books ...
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| answer the question in complete sentences | 6/28/2005 |
Q: All you have to do is answer the qestions in complete sentences. 1. Ostriches cannot fly. Would you ...
A: It's summer Why are you in school? 1.They have more downy feathers because contour feathers are ...
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| Answer the questions | 6/28/2005 |
Q: 1. Why must all amphibians spend at least part of their lives in water? 2. Lizards often lye in the ...
A: 1. Some Amphibians, except toads, have thin skin and can easily dry out and all amphibians must ...
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| ATP IN A MOLECULE | 6/28/2005 |
Q: 1)What processes in the cell need energy from ATP? 2)How does ATP store energy? 3)How can ADP be ...
A: 1. All cellular activities except simple difusion require energy 2. Energy is store in the ...
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| Answer the question | 6/27/2005 |
Q: My name is Shirley im in 9th grade and need your help with some biology problems that Im having ...
A: there is an awful lot to this question and it involves information that you easily get from any ...
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| Answer the question | 6/27/2005 |
Q: I need your help on a few problems their all diffrent though the first one all you have to do is ...
A: Exoskeletons protect the arthropods internal structure but they limit the size that tha animal can ...
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| last few | 6/26/2005 |
Q: 1. The basic laws of ecosystems that describe the complex interation of oranisms are: __________ ...
A: 1. This one confuses me a little bit but I believe the answers are energy and carbon 2.oligotrophic ...
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| Radiological Technology | 6/25/2005 |
Q: I am pursueing a career in Radiological Technology and would to know if getting a job at a hospital ...
A: Working in any health or medical area would certainly be a plus. AS to the job market, I am not ...
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| affects of cold drinks on the body | 6/24/2005 |
Q: In a nut shell the question is, Why do a break out into a sweat whenever I gulp down a chilled ...
A: Since perspiring is a homeostatic mechanism to reduce body heat I can only assume that gulping cold ...
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| Biology | 6/22/2005 |
Q: What is proposed to be the original genetic material and why?
A: Gregor Mendel when establishing the Laws of heredity talked about traits but never discussed ...
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| digestive system | 6/22/2005 |
Q: what is zymogens and their mechanism of funtoining.what is gastric mucosa .3 how is bile formed 4m ...
A: Zymogens are inactive enzymes The gastric mucosa in the stomach lining containg digestive enzymes. ...
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| protein synthesis | 6/20/2005 |
Q: I'm confused on this question and could use some help. 1. Assume that protein synthesis always ...
A: A deletion or a substitution of a base will alter the codon and a different polypeptide will result. ...
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| digestion | 6/19/2005 |
Q: How is the digestion of fat and its absorption different from the digestion of carbohydrate and ...
A: The digestive process is the same with all carbohydrates, lipids and proteins. It involves ...
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| 2 multiple choice | 6/18/2005 |
Q: Ok I have 2 more problems I need answers toooo....this first one I can't find anywhere and its ...
A: or the first one I would chose b since this is how a species is determined. I suppose however that ...
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| biology | 6/17/2005 |
Q: .my question is well 2 of them is ..In double helix shape of dna, what series of nucleotides would ...
A: I thought school was out. question 1: G A C T strand one C T G A strand two ...
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| biology | 6/16/2005 |
Q: What is a water soluble molecule with the elements N,O,C,H,P and is non-reactive to change ? Is it a ...
A: The P tells me it it could be a nucleic acid except NAs are insoluble in water and carbs and lipids ...
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| cell membrane function | 6/15/2005 |
Q: Iv been trying out to figure out this one lab and I have not been very successfull so I am hoping ...
A: First of all keep in mind that all changes in mass are due to the loss or gain of water. This is ...
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| The human body | 6/15/2005 |
Q: I have noticed that when i begin running or walking fast outside in the cold for a long period of ...
A: I am not a physician nor a dermatologist and cannot offer to much to help you. There are however ...
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| lungs | 6/15/2005 |
Q: a pig fetus's lungs have no air in them because they haven't breathed air yet so they are collapsed, ...
A: Once a person has taken a breath there is always some air that remains in the alveoli after ...
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| biology | 6/14/2005 |
Q: Differenciate between ventilation and gaseous exchange in mammals.
A: Ventilation usually refers to the mechanism of breathing. In mammals air enters the lungs due to ...
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| nervous system | 6/13/2005 |
Q: Why is it important that the central nervous system be protected by bone?
A: First of all nervous tissue is very fragile. If the brain was not encased in the hard skull it would ...
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| DNA NUcLEOTIDE | 6/12/2005 |
Q: Three main components of a DNA Nucleotide? Hopefully this will be my last question for the week. I ...
A: Nucleotides are made up of a nitrogen compound, a 5 carbon (ribose ) sugar and one or more ...
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| Dissections | 6/11/2005 |
Q: I am a student of high school and have just taken my final exams. I applied for admission in two of ...
A: I have been a biology teacher for over 50 years and have taught about every concievable biology and ...
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| Mimosa's leaves | 6/11/2005 |
Q: I am curious about Mimosa Pudica Linn. Can you explan why they close up their leaves when I touch ...
A: The "why" questions in biology are always fascinating but unfortunately the most difficult to ...
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| DNA | 6/9/2005 |
Q: Walter, We are going over cellular reproduction,DNA,Genetics and biotechnoly this week at school ...
A: Sorry it took so long to get back to you Robert but I answer a lot of questions. First: Protein ...
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| DNA | 6/9/2005 |
Q: Walter, We are going over cellular reproduction,DNA,Genetics and biotechnoly this week at school ...
A: I can help you with this but to save a lot of explaning I have to know what you know already about ...
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| osmosis and diffusion in plants | 6/8/2005 |
Q: Let me make sure I understand this correctly. Osmosis and diffusion help plants stay firm by ...
A: You have asked about the role of osmosis in keeping plant leaves firm and I assume we are talking ...
|
| Bilogy trick question | 6/6/2005 |
Q: I'm not sure if this is a trick question or not but it has me stumped. I have 2 questions to go ...
A: What is the trick Bob? The metabolic process is quite clear.. When the muscles run out of energy ...
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| biology | 6/5/2005 |
Q: "FirstThe process by which a web-spinning spider makes a "sketch" of a web design before making the ...
A: About this first question I see it all the time and even though I consider myself on spiders (I ...
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| Digestion | 6/4/2005 |
Q: What is the purpose of Digestion? What is the difference between a fore-gut fermenter and a hind ...
A: The purpose of digestion is to convert large organic molecules that cannot be absorbed into the ...
|
| Viruses | 5/30/2005 |
Q: What I would like to know is whether viruses are living or not? Since they cannot live ...
A: A living organism ,by definition, exhibits certain characteristics. All living thins do the ...
|
| Complete the problem | 5/26/2005 |
Q: I'll give the word and then you have to say what the Phylum, Symmetry, Circulatory system, ...
A: 1 Sponge Porifera asymmetry ( no symmetry) Open circulation Asexual and sexual Food ...
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| epidemiology | 5/25/2005 |
Q: I have recently gotten interested in the cholera epidemic, I was wondering how scientists come to ...
A: The histroy of this disease goes way back. It was diagnosed beforte the organism Vibrio cholera was ...
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| Biology | 5/24/2005 |
Q: What are the "ruffles in the inner mitochondrial membrane called?What process occurs at that ...
A: The ruffles are called cristae and the fluid is called the matrix. The matrix contains enzymes ...
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| why do vascular plants have... | 5/23/2005 |
Q: why do vascular plants have an adaptive advantage over nonvascular plants?
A: Vascular plants can survive in a wider range of environmental conditions because they have a ...
|
| jellyfish salinity response | 5/23/2005 |
Q: I'm in grade 11 but I take advanced biology. I'm stuck on my biology lab. My question for this lab ...
A: Sounds like an interesting experiment. Changing the salinity in the environment will certainly ...
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| Biotic, Abiotic | 5/23/2005 |
Q: How can i describe and explain examples of adaptations shown by plants and animals specifically ...
A: Another interesting problem. I really like this question. I suggest that in this case you first ...
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| Biotic, Abiotic | 5/23/2005 |
Q: How can i describe and illustrate with examples, how the biotic and abiotic factors in the ...
A: What I would do is to decide on a specific species of organism and go from there. For example with ...
|
| frog dissection | 5/20/2005 |
Q: Describe the appearance o fthe stomach lining and how does the lining help the stomach grind food? ...
A: The stomach has ridges thtt slow up the passage of the food so it can be predigeted The small ...
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| Geology and the Earths changes, | 5/17/2005 |
Q: I know this is a bit out of the ball park from the questions you probably get asked but I am just ...
A: You have brought up a lot to consider here. The earth has always been changing and the are things ...
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| evolution | 5/17/2005 |
Q: Walter, maybe you could help me, if not please point me in the right direction. my question ...
A: It appears that asexual reproduction did precede sexual reproduction and prokaryotes came before ...
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| virus | 5/16/2005 |
Q: give reasons why virus can said to be the border-line beetween living and non-living world.
A: A virus exihibits some characteristics of a living thing in that it reproduces in kind. It can only ...
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| Physiology | 5/16/2005 |
Q: Yes, but why does it make more sense to have less on your back? what's the advantage?Why ...
A: Sensory receptors keep us in touch with the environment. We use our hands all the time for feeling. ...
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| Tropisms and Metabolic Processessof plants | 5/15/2005 |
Q: Tips removed from oat seedlings, What effect would this have on them, and explain how you know this. ...
A: I am not exactly sure about this question. I assume you are asking about root tips. The tips have ...
|
| Kingdom Animalia | 5/12/2005 |
Q: i have several Q's...its from my study guide for my exam. 1.Using a cat, explain where the dorsal, ...
A: 1. Ventral- the belly Dorsal- the back Anterior- the head end Posterior- The tail ...
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| Biology | 5/12/2005 |
Q: Okay I will come off the bat and just ask my question. okay, I want to know exactly the process of ...
A: You have to approach problems like this from the stand point of the whole idea. Do not think in ...
|
| homeostasis | 5/11/2005 |
Q: What is the role of the endocrine system in homeostasis?
A: Two systems have a homeostatic function. The nervous system and the endocrine system. While the ...
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| plant cell | 5/10/2005 |
Q: i have to do this booklet in science (10AP) and i don't understand one question. go to ...
A: I have looked at the micrograph. I believe that the nucleus is the larger structure with the ...
|
| myoglobin | 5/10/2005 |
Q: I am interested if you know some living entities without myoglobin and hemoglobin; and in what kind ...
A: Almost all invertebrates lack these proteins. Insects lack hemoglobin but they do have muscle ...
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| viral and bacterial diseases | 5/7/2005 |
Q: hope to find u in good health.i have a question about bacterial and viral diseases can u tell me ...
A: Although there are a lot of differences between viruses and bacteria the diseases they cause have ...
|
| the colors we see. | 5/5/2005 |
Q: I did find one website that spoke of binocular vision. It was for a school project. It talked ...
A: It is interesting that others have had the same experience. There is a phenomenon where you can see ...
|
| biology | 5/5/2005 |
Q: ECONOMIC IMPORTANCES OF BACTERIA AND VIRUS
A: We could write volumes on this but I will try to summerize. Viruses are economically important ...
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| the colors we see. | 5/4/2005 |
Q: Hintz, I am having a lot of trouble finding info on this, but I remember being taught that one eye ...
A: I must agree with the Lasik surgeon Cynthia. There is no difference in the eyes with respect to ...
|
| Human Body | 5/4/2005 |
Q: I have a question! How does a headache start and end? regards Jazz Advaney
A: This is really a huge question that I cannot answer completely because there are all kinds of ...
|
| Answer the question | 5/3/2005 |
Q: All you have to do is just answer the question in complete sentences. 1. Describe 3 diffrent kinds ...
A: 1. Seeds may be spread in these ways, The wind carries them. Example dandelion They are ...
|
| Complete the questions | 5/3/2005 |
Q: Below which describes the pattern of alternation of generations. 1. Sporophyte Is it a haploid or ...
A: 1. Haploid n number Gametes 2.Spores can resist poor conditions Spores provide a much greater ...
|
| biology of eggs and chickens | 4/23/2005 |
Q: how do farmers know which eggs have chicks in them and which are just eggs?
A: Good question Joan; There are two ways. If there is a rooster in the same pen as the hens the ...
|
| Living and non-living | 4/22/2005 |
Q: Respected Sir, Assalam-0-Alekum, Sir my question to you is this: "Does a candle flam ...
A: I usually give this problem to my classes. "Give me a convincing argument that a candle flame is not ...
|
| Answer the question | 4/21/2005 |
Q: All you have to do is answer the questions in complete sentences. 1. Imagine you are a scientists ...
A: 1.All snakes have a common ancestry. Remember also that South America and Africa were once part of ...
|
| Answer the question | 4/21/2005 |
Q: For these questions just write the answer out in complete sentences. 1. At one time the continent ...
A: 1. When areas become geographically isolated there is less gene flow between individuals and ...
|
| Some clarification on previous responses | 4/20/2005 |
Q: I definitely appreciate it! I just wanted to clarify two of your responses. One question was: ...
A: Now I understand. You left out the choices with your first question earlier The correct answer is ...
|
| Bio/Genetics Questions | 4/20/2005 |
Q: I am trying to find solutions to the following questions. Any help you can provide would be very ...
A: 1.If the trait is expressed in the heterozygous (Different alleles) condition it is dominant. ...
|
| Nervous System | 4/20/2005 |
Q: This are some hwk question that I'm kind of confuse on. What does it mean when a neurotransmitter ...
A: Neurotransmitter are released at the synapse. If they make the dendrites permeable allowing further ...
|
| Nitrogen Cycle | 4/20/2005 |
Q: How does Nitrogen, cycle through the ecosystem?
A: 1.Start with free nitrogen (N2) in the atmosphere 2. Nitrogen fixed in the soil by bacteria as NO3 ...
|
| Photosynthesis | 4/17/2005 |
Q: What resources do plants need to maintian life?(Think about photosynthesis and other Activities of ...
A: Plants need light, water, carbon dioxide and minerals like nitrogen and magnesium. They get CO2 ...
|
| Physiology | 4/17/2005 |
Q: What is the name of the enzyme that changes Seratonin to Melatonin? Thanks a lot. Crystal
A: Are you ready for this Crystal? First: Arylakylamine-N-acetyltransferase (AANAT) changes ...
|
| Plant cell vs Animal cell | 4/16/2005 |
Q: I am trying to help my daughter do a science fair project, topic is do plant cell and animal cell ...
A: Plant cells form a new cell wall across the middle during the last stage of cell division. Animal ...
|
| project | 4/16/2005 |
Q: i have some questions if you could help. do you know what is the best pH range for Elodea plants? ...
A: Carbonated water has pH of 4.2. Obviously this is too acid for elodea. I don't know the range but ...
|
| On the understanding of evolution | 4/14/2005 |
Q: There is this specific part of evolution I find controversy, and it is about the "process" and not ...
A: You have brought some very legitimate questions here and I agree that they are thought provoking. ...
|
| Botany | 4/13/2005 |
Q: my expert was barbra, but i guess i cant ask her any more queations. At school we are doing an ...
A: Hola Maria I have been a science (specifically biology) for over 50 years ans I have MSc in ...
|
| Heterozygous & homozygous | 4/13/2005 |
Q: I do understand what you did and appreciate your time. I also was confused about the "individual" ...
A: I have been reading the question over and over and the only conclusion I can come to is that it is ...
|
| Heterozygous & homozygous | 4/13/2005 |
Q: I am totally confused as to how to answer these. Can you please help? What would be the result of ...
A: I cannot solve this as it is because you are asking about only one individual in the cross. I will ...
|
| Genetic engineering in our crops | 4/13/2005 |
Q: What are your personal feelings, or opinions, on using genetic engineering or modification on ...
A: There are some objections against altering crops. One is that eating genetically engineered corn ...
|
| Answer the question | 4/13/2005 |
Q: Answer the question in complete form. 1. Write the formula which shows the sequence of events that ...
A: There is no formula to show how proteins are made. They are made under the control of DNA. It is ...
|
| biology | 4/12/2005 |
Q: As a struggling molecular biology student, you realize you will be famous if you design a ...
A: The gene of course as given here is a bit of DNA. This DNA will act as a template to transcribe ...
|
| Biology | 4/12/2005 |
Q: 1. What is some examples of biotic factors and abiotic factors and a forest ecosystem? 2. How can I ...
A: 1. Biotic; Trees shrubs algae squirrels foxes Abiotic: moisture temperature pH ...
|
| biology | 4/11/2005 |
Q: what are the similarities and differences between he muscular systems of arthropods and vertebrates?
A: The similiarty lies in the function and in the chemistry but they are very different with respect to ...
|
| Extinct Sharks | 4/11/2005 |
Q: I am in the 7th grade and am doing a report on extinct sharks and would like to know are there as ...
A: At this time there are 368 different species of Sharks in the sea and 1/2 of them are less than 3 ft ...
|
| Answer the question | 4/11/2005 |
Q: All you have to do is answer the questions in complete form. 1. A scientist gradually increases the ...
A: 1.Photosynthesis can be increased by extending the photoperiod (amount of light during a 24 hour ...
|
| E. Coli | 4/10/2005 |
Q: I was wondering when and how during the embryonic development e.coli enter the embryo's body (large ...
A: The first thing we must do is understand that unless there is some kind of injury in utero a ...
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| swollen abdomen in older men | 4/10/2005 |
Q: wondering what causes the hard, swollen belly affect found commonly in older men? it doesn't appear ...
A: I wish I could help you Adam because I have a belly problem. My doctor claims it is due to too much ...
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| physiology | 4/9/2005 |
Q: hi can you tell me why medicines are given intravenous than intraartery
A: There are a number of reasons. First of all it is much easier to reach veins that are closer to the ...
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| Single cells linked to Multicellular organisms | 4/8/2005 |
Q: Explain how reproduction links the world of single cells to the world of multicellular organisms.
A: After answering the previous question I came to this one. Again this seems complicated and I am not ...
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| Basic Life Functions | 4/8/2005 |
Q: Why and how do basic life functions work at the cellular level even though the bodies of animals ...
A: I am having some problems with understanding this question. We cannot separate the functioning of ...
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| skin | 4/8/2005 |
Q: How much force(i.e. pounds of pressure) does it take to break through human skin?
A: I don't know if this has ever been measured James. There are a lot of factors to consider. The ...
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| Answer in complete sentences | 4/7/2005 |
Q: All you have to answer the question in complete sentences. 1. What is one important function that a ...
A: 1.Replication of DNA 2.Polar molecules because they are hydrophilic and ions due ti the chaeges on ...
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| Science Expert Questions | 4/6/2005 |
Q: I am doing a science project on "What is the effect of different liquids on the mold growth of the ...
A: 1. I am an adjunct professor of biology 2. Teaching classes in science and biology to college ...
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| Deforestation | 4/5/2005 |
Q: After deforestation for farming, is it possible to revive the land for farming after the soil is no ...
A: There are some ways to restore the fertility to soil. Certain crops especially legumes can be ...
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| Genetic engineering in our crops | 4/5/2005 |
Q: What are your personal feelings, or opinions, on using genetic engineering or modification on ...
A: I have no objections about genetic engineering in crops, domestic animals or people. Altering ...
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| Answer the questions | 4/5/2005 |
Q: 1. How many prton does oxygen (O) have? 2. How many neutrons does a typical atom of oxygen have? ...
A: I will give you the answers and you can o put them into complete sentences. 1. Oxygen has 8 ptotons ...
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| Felling cold? | 4/5/2005 |
Q: Is there a chemical/hormone in our body that changes how cold we feel, but not are? As in why some ...
A: Feeling warm or cold has to do with thermoregulation and metabolism. It works almost like a ...
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| Biology...of course!!! | 4/4/2005 |
Q: Name the first step in controlled breeding. What method is used to preserve desirable traits in a ...
A: Of course. What can be more important than biology? This seems silly but the first step would be to ...
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| biology | 4/4/2005 |
Q: if u take a potato and cut in half .and a cut a thin slice at bottom off.. make a little hole on the ...
A: I am having a little trouble visualizing the potato from your description but I can tell you that ...
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| biology | 4/4/2005 |
Q: suggest explainations for the following observations: a) after a heart attack people often have ...
A: During a heart attack there is a loss of oxygen to the muscle and anaerobic fermentation takes over. ...
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| Home Experiment | 4/4/2005 |
Q: How can I grow bacteria in a petri dish with agar as the medium without an incubator? Trying to ...
A: Skin bacteria grow best at body temperature but will still grow at lower temperatures but it usually ...
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| Circulatory System | 4/4/2005 |
Q: Do the atria contract at the same time as the ventricles? Which is stronger contration? Why does ...
A: They contract at different times and the ventricle has the stronger contraction The iron is ...
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| Circulatory System | 4/4/2005 |
Q: How does the formatin of other molecules using CO2 help to increase gas exchange out of the tissues? ...
A: Cell membranes are differentially permeable and often carrier molecules are needed for transport. I ...
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| Written experiment | 4/4/2005 |
Q: I have to do this little experiment. But I dont understand it and i need your help my friends told ...
A: It looks like you did your experiment and now need to organize your report. Let's go over the whole ...
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| biology/homeostasis | 4/3/2005 |
Q: i'm writing an essay on homeostasis and have to write about blood-glucose levels, pH of the blood, ...
A: I do not have the time to give you all the details about these control mechanisms but I can give you ...
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| biology | 4/3/2005 |
Q: which one of the following types of molecules serves to interact with the world around us? dna rna ...
A: DNA initiator increases capacity nucleotide trial and error assemble for new cell wall signal ...
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| MRI and CT scan | 4/3/2005 |
Q: hope to find u in good health.can u tell me how MRI scanners and CT scanners work what is the ...
A: Haven't heard from you for a while. Electronics is kind of out of my field. I did study the ...
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| data | 4/2/2005 |
Q: On my project I cant figure out how to get data.
A: The data is the information that you gain from your observations or measurements. It is usually ...
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| What is the importance of... | 3/30/2005 |
Q: What is the importance of Paramecium caudatum?
A: Can we attach an importance to an individual species? I don't think so. But living things together ...
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| microbiologist | 3/30/2005 |
Q: pls,i want to know about the following biologist/microbiologist autons van leewenhoek, loius ...
A: Anton invented the microscope. He was a draper not a microbiologist. Pasteru is called the father ...
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| evolution | 3/30/2005 |
Q: based on your understanding of the processes of mutation and natural selection, describe how a ...
A: Zebras ared a type of horse and like all horses they tend to herd. They occupy the same habitat as ...
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| biology | 3/29/2005 |
Q: What is the definition of a fruit and a vegetable?
A: In botany a fruit is the ripened ovary of the plant, the part that contains seeds. Vegetables make ...
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| Stem Cell Research | 3/29/2005 |
Q: 1. How are stem cells created or extracted? 2. Do you support the use of stem cells? Why or why not? ...
A: 1. They are embryonic cells that can be extracted microscopally from embryos of umbellical cord ...
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| Germination | 3/29/2005 |
Q: I am a 6th Grader and I am working on a science project. It is about germination and I have chosen ...
A: You have carried out a scientific project using the scientific method. I think you should make a ...
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| Defining the problem | 3/28/2005 |
Q: Just write the answer out in complete form. 1. Gathering and organizing data: What information ...
A: I don't remember what questions I answered before. Does this question have something to do with a ...
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| Defining the problem | 3/28/2005 |
Q: Answer the question in complete form. 1. Mules are produced by the mating of a female horse and a ...
A: .Hi Sherry 1. Donkeys and horses are different species to start with and a mule is a hybrid. The ...
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| photosynthesis | 3/28/2005 |
Q: How can a plant survive in an oxygen free environment? What process is that?
A: Unless there is some new discovery regarding green plants that I am unaware of plants not only ...
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| Letter that best answers the questions. | 3/27/2005 |
Q: I hope you can help with thme, For each of the following write the letter that best answers or ...
A: I can see why you are having trouble. Temperature controls of the body are conceptual. We are ...
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| hi again | 3/27/2005 |
Q: First i need to measure the weight of the beakers with out anything in it then when i put the ...
A: The experimental design is good and should work. With regard to measurement , you are weighing the ...
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| Transpiration | 3/26/2005 |
Q: I recently carried out a practical assignment for my A-level Biology course; the assignemnt ...
A: I don't think I can be too much help George but there are more factors involved than just the wind ...
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| protists | 3/25/2005 |
Q: I read somewhere that there are four catagories of protists (flagellate, sarcodine, ciliate, ...
A: The protists belong to a Kingdom and there are many more phyla than those you mention here and it ...
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| a semipermeable sac contains... | 3/25/2005 |
Q: a semipermeable sac contains 4%glucose, and 10% albumin is suspended in a solution with the ...
A: There are some questions about this problem and some considerations. First of all I assume this is ...
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| Plant project | 3/24/2005 |
Q: I am a 7th grade student doing a project about plants. The project that i am doing is to test if ...
A: I don't know Jessey. Well actually I do know but I won't tell you. This is a science project and ...
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| plants | 3/24/2005 |
Q: I'm a seventh grade student that is doing a project for my science class my question is do plants ...
A: It appears that I suddenly received a lot of questions from 7th graders about growing plants. You ...
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| do tomato plants gorw better in tomato juice or water? | 3/24/2005 |
Q: my friend and i are doing a 7th grade experiment and our question is, do tomatos grow better in ...
A: Never fear: help is here: You will have to set up an experiment to test this. Follow the ...
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| plants | 3/24/2005 |
Q: my nameis richie. im a 7th grader doing a science project at home. my question is does a plant grow ...
A: It looks like I have a bunch of 7th graders about to study plants? Are you all in the same school? ...
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| Circulatory and Respiratory systems | 3/22/2005 |
Q: Is blood flow faster or slower in capillaries compared to arteries? Do you know why this is ...
A: It slows down when entering capillaries since the pressure is less and it is spread out through more ...
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| Circulatory and Respiratory systems | 3/22/2005 |
Q: Do Amphibians have a better efficient system than Mammals? can you tell me why also. Why do all of ...
A: No. Efficiency is a relative term. For what an amphibian has to do the systems work very well. If ...
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| Why ask why? | 3/22/2005 |
Q: Why do we ask why? Or, why do we asking questions? Why do I want to know the answer to that and ...
A: You have stumped me in a way. I suppose that we are born with a "curiosity gene". Science is ...
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| More to go! | 3/22/2005 |
Q: the endocrine system
A: You asked for an explanation of the endocrine system that you could explain to the "average joe" so ...
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| Biology | 3/21/2005 |
Q: Why is variation an advantage to a population?
A: Variation allows changes that may be advantageous to the species. Lets assume a drastic change in ...
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| More to go! | 3/21/2005 |
Q: Your answer was really well developed and i must say i truley appritiate your services! However ...
A: The endocrine system consists of a number of glands that secrete complex proteins called hormones ...
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| [Urgent]!!!!!! endocrine system | 3/21/2005 |
Q: hey could you please help me understand this, im having a test in 2 days from now and i really need ...
A: I have reread your question and will try to give you a summary but you will hav to do som digging on ...
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| Plathyhelmenthes | 3/20/2005 |
Q: How might a population of free living flat worms evolve into parasites?
A: The biology of parasitism is strange. The idea is that symbiotic relationshiphs like commensalism ...
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| biology | 3/20/2005 |
Q: i had a few questions i am trying to teach my little sister and we were both stumped on these ...
A: Wow ! nikki: you are teaching your little sister some heavy stuff. The building blocks of DNA are ...
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| how does a synapse wor... | 3/20/2005 |
Q: how does a synapse work
A: The synapse is between the axon of one neuron and the dendrite of another. I am not sure what you ...
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| me agian | 3/19/2005 |
Q: hi again Walter thanks for the ideas you gave me im an 8th grader and i asked my teacher about the ...
A: I am now getting an idea about this study Khara. Keep in mind that the question the teacher told ...
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| my experiment | 3/19/2005 |
Q: My experiment is having three different place with different temperatures and put 2 bowls of ...
A: Your hypothesis included too much imformation that was not necessary. Not that I know what you are ...
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| Biology | 3/18/2005 |
Q: What supplies the FORCE that causes air to mmove into the lungs during INSPIRATION? Is it the ...
A: Simple laws of physics. When th diaphragm muscle goes down the lungs expand and the pressure ...
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| Anatomy & Physiology | 3/18/2005 |
Q: I would like to know why carbon dioxide is sometimes added to the air that a patient breathes? Is it ...
A: Yes and Yes; Our lungs are attuned to an air concentration of 21 % O2 and about .03% CO2. You are ...
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| Science "X" Project (please help) | 3/17/2005 |
Q: I'm working on bacteria mass and area in buttermilk at different temperatures and I would really ...
A: I apologize for being late with this question Khara but I have been out of town. 1.I am an ...
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| some intestinal problem is it | 3/17/2005 |
Q: hope to find u in good health.i have a question about some strange experiences with two kids.they ...
A: Roundworms can occur in the intestines of all mammals. In fact dogs and cats often have them. ...
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| blood | 3/17/2005 |
Q: i am doing some coursework about a patient with pernicious anaemia. now i know he has a low ...
A: The anemia is a result of low rbc count. This anemia results from vitamin B12 defeciency. B12 is a ...
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| would like to know what factors... | 3/16/2005 |
Q: would like to know what factors would change the allele frequencies in a population. Thank you
A: Anything that effects the gene pool would change the gene frequencies. Limiting factors that ...
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| lakes | 3/16/2005 |
Q: How does lakes needed for human survival
A: Lakes are not needed for human survival. Water certainly is but whether it is in a lake or river ...
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| general biology 2 | 3/15/2005 |
Q: Hintz my name is Soozan and i am contacting you bcuz i need your help. the thing is i have lots of Q ...
A: Send any questios to my email address (waltjh@sbcglobal.net) You have a lot of questions but I ...
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| protists | 3/13/2005 |
Q: I have to do a project on protists and I was wondering what is the role of it in its ecosystem and ...
A: There are a lot of different protists. They exist in the food webs as first and second order ...
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| Biology | 3/13/2005 |
Q: I forgot to ask you a few more question that I want to know something about. 1.What is the structure ...
A: 1. The immune system is the final line of defense. It consists of special cells(white blood ...
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| Biology | 3/12/2005 |
Q: These are not homework questions. Most people think when I send them questions they are homework but ...
A: Koch gave us the proper method needed to explain the causative organisms in a disease. Consider ...
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| Using Gelatine to investigate the activity of pepsin under different temperatures. | 3/12/2005 |
Q: you really helped me identify many other flaws in the experiment I was conducting. You have ...
A: Apparently checking the activity of pepsin on albumin by looking for clarity does not work well. It ...
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| researching | 3/11/2005 |
Q: i want to participate ina research essay contest and we have get information and research on ...
A: The internet is the wrong place to find scientific journals especially in the medical field. When it ...
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| Ovulation | 3/10/2005 |
Q: I am an archaeology student studying in Cornwall in the UK; i recently heard that when an egg ...
A: This is an intriguing question Robert and one I never considered before. First of all I have ...
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| Ears | 3/10/2005 |
Q: I want to know >why< our ears cant take any pressure when we are high up in the sky (in a ...
A: Actually the eardrums can take the pressure to a point. The eardrum or typanum is a thin membrane ...
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| Cloning and Physics | 3/8/2005 |
Q: What physics can be incorporated into the the topic of cloning?
A: This is an interesting question Adrian that I had to think about. The Laws of physics and physical ...
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| biology | 3/8/2005 |
Q: explain what is meant by multiple alleles. give an example of a traitthat has multiple alleles. ...
A: Into genetics I see. AS you know alleles are paired for the same traits. There is usually only a ...
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| Fibre | 3/8/2005 |
Q: "Fibre contains energy. Explain why this energy can not be ued by the human body." I am stuck on ...
A: Fibre is made up of the carbohydrate cellulose. The human digestive system cannot break down ...
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| Biology | 3/7/2005 |
Q: I only have a few questions left in this subject and my coarse for this grade will be complete. Yes ...
A: The problem with multiple choice questions like this is that if you accept the answer without some ...
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| Biology | 3/7/2005 |
Q: I know that cells can be compared to factories, but what else can they be compared to? And what ...
A: I really do not like these "compare a cell to a factory" questions. I think they just confuse the ...
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| biochemistry | 3/7/2005 |
Q: Four codons code for alanine and they differ from each other in their third bases. What might be the ...
A: I am not sure if there is any real significance. They occur as four of the 64 possibilities. There ...
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| Cell experiment | 3/7/2005 |
Q: What happens when a sample of liver tissue is placed in a test tube and then covered with 5 ml of 3% ...
A: Did you try it? A lot of bubbles form. The bubbles are oxygen bubbles. There is nothing in the ...
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| viruses and HIV | 3/7/2005 |
Q: How do viruses like HIV develop resistance to drugs?
A: Imagine your are walking down the street with a certain coat that you wear all the time. In fact ...
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| milk | 3/5/2005 |
Q: please help me answer this question. Thank you very much. milk is heated when it is pasturized. The ...
A: I don't know if I can answer this question Linda. All I can do is tell you what I know about ...
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| biology question | 3/4/2005 |
Q: Sir, I have a question for you and I hope you can get me started on the right path. This is not a ...
A: I am not sure what you mean by communication. Is it communication among animals or people? I ...
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| a few biology questions | 3/4/2005 |
Q: 1. Hyaline cartilage facilitates movement in _______ joints. A. vertebral B. immovable ...
A: B I have been getting this same list of questions many times and I think that these are test ...
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| biology | 3/1/2005 |
Q: Does cockroach belongs to a group of animals knowns as vector,and why?
A: Any insect that carries and spreads a pathogen is called a vector. It is a general and not a ...
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| some medical points | 3/1/2005 |
Q: hope to find u in good health.i have some questions about general biology.i read an article in a ...
A: You have presented me with some interesting questions. First: This one I do not know as I have ...
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| antigens and obesity | 2/28/2005 |
Q: hope to find u in good health.i have some questions about antigens.what are antigens? are they ...
A: Antigens are compounds that stimulate the immune response and the formation of antibodies. Foreign ...
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| diffusion, osmosis and active transport | 2/27/2005 |
Q: what is active transport?
A: Active transport is movement of molecules across the membrane against the concentration gradient. ...
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| biology | 2/25/2005 |
Q: * In pathology,give examples of non-pathogenic parasites? * What are the diseases that are caused ...
A: Pathology means disease but ectoparasites like mosquitos and fleas may or may not spread a disease ...
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| Cell Division | 2/25/2005 |
Q: Why is only 1 egg produced with every meiotic event? What are 2 things that add genetic variation ...
A: Each oocyte produces 1 egg and 3 polar bodies. Not only does this allow for variation but only one ...
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| Genetic engineering | 2/25/2005 |
Q: How can genes be inserted in plants? What is gene therapy? How does it differ from genetic ...
A: Inserting is a very complicated proceedure involving bacterial plasmids and restriction enzymes. A ...
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| Plant Reproduction | 2/25/2005 |
Q: few days before i saw a news about plant reproduction. it is about the plant breeder. I really ...
A: If artificial selection is the goal than reproducing plant sexually is necessary. If, for example, ...
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| the BEST Question | 2/25/2005 |
Q: i'm a college student from Hong Kong. I know you were an experienced teacher before. With the help ...
A: These are pretty broad topics and I am not sure how general you would want the questions to be but ...
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| dna-->ribosome | 2/25/2005 |
Q: In the name of Allah, the Rahman, the rahim Salam I want to know how the message to make protein is ...
A: It has been a while since I last heard from you. DNA makes a template, a strand of messenger RNA ...
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| Food Webs | 2/24/2005 |
Q: I had asked a question about food webs & was told that you wouldn't answer homework questions. I ...
A: I usually will not answer homework questions that a student can easily find answers to in their ...
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| biology question #6 | 2/24/2005 |
Q: What is the discovery of the nucleus, vacuole, cell membrane, ribosome, cell wall. When was it ...
A: I'm sorry Emerald if it appears that I am giving you the brush off but your questions are very long ...
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| Living or nonliving matter | 2/23/2005 |
Q: Cool enough. So life is distinguished by what it can do rather than by a chemical/biological ...
A: The question "What is life" is difficult to answer. So in science when confronted with "big" ...
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| linnaean classification and taxonomy classification | 2/23/2005 |
Q: Now i encountered a problem i could not really understand. What is the difference between ...
A: Most of are classifications are based upon the binomila system developed by Linnaeus. Taxonomic ...
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| general biology | 2/22/2005 |
Q: 1) How are all cell membrane alike and different? 2)What does watering a plant with a solution of ...
A: 1. Living cell membranes all have the same bipolar structure. There are no real differences between ...
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| Living or nonliving matter | 2/21/2005 |
Q: How do we distinguish between living and nonliving matter, what is the biology, what is the ...
A: It certainly seems hard to tell at times especially by just looking at something. I expect that ...
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| questions on 5 kingdoms and classfication | 2/19/2005 |
Q: 1)I would like to find out more about things alive in some sense but usually not included in the 5 ...
A: 1.All organisms considered to be living are classified within the five KIngdoms. Biologist do not ...
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| bio/chemistry, I think | 2/18/2005 |
Q: While mopping a floor, you constantly drop the mop through the suds into the water, then wring out ...
A: You are obviously a very observent person with an unusual curiosity. You should become a scientist. ...
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| Human Heart Model | 2/18/2005 |
Q: I was recently asked to contruct a working model of the human heart and other parts of the ...
A: I have seen this question before and honestly I have no idea about how to do this. I am a biology ...
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| Oxygen transport in the body | 2/18/2005 |
Q: How and why do high altitudes affect the transportation of oxygen around the body?
A: High altitudes contain less atmospheric oxygen so a greater intake of air is required. There is no ...
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| Cells | 2/17/2005 |
Q: I have about 5 question that I have to answer and I for got my book. What effect does cell size ...
A: Shame on you for forgetting your book. The ability of a cell to carry out activity becomes limited ...
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| Biology | 2/17/2005 |
Q: My GPA is to low and I have 3 month to fix it! So thay give me the test which is hard for me becouse ...
A: I would like to help you Irene but you have 92 questions here. Maybe if you give me some ...
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| project | 2/16/2005 |
Q: the question i am using for my project is as follows: "Does Carbon Dioxide Dissolved in water helps ...
A: First a hypothesis is a statement not a question so leave the "does" off. Secondly your hypothesis ...
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| botany...I think and....you tell me on the others! | 2/15/2005 |
Q: Followup To Question - i want to do a science fair project on mushrooms and how they are effected ...
A: Sounds like a good plan. As a little background why not contact some mushroom growers and find out ...
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| Mitochondria & Nucleus | 2/15/2005 |
Q: Why are the Mitochondria and Nucleus the only organelles with two cell membranes?
A: I have difficulty with "why" questions Salvador. They deal with evolution. Suffice to say cells ...
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| project | 2/14/2005 |
Q: i have a few questions if you can help. 1- can i grow bean plants in flower pots? because, i dont ...
A: 1. Yes, use flower pots or peat pots. If all the soil you use is the same it will make no ...
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| biochemistry | 2/11/2005 |
Q: What regulates interconversions of glucose and glycogen and under what conditions?
A: Glucose is converted to glycogen through the catalytic action of the enzyme glycogen synthase ...
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| Teeth Science Project | 2/11/2005 |
Q: I am doing a project on tooth enamel and acids in the food we eat. I don't know how to explain the ...
A: I would try to explain acids by example. Here is what I would tell them. "Acids are special ...
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| Speed of Human Blood Circulation | 2/10/2005 |
Q: I have a question about a healthy adult human's heart and circulatory system. How many seconds ...
A: The only way to answer this is to tell you that your heart pumps blood at the rate of five liters ...
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| Bacteria | 2/9/2005 |
Q: I am doing a science fair project to find out who has a cleaner mouth, dog or human. I do not have ...
A: Like all living things bacteria need nutrients and plain geletin has none. Try again and before the ...
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| Cells | 2/9/2005 |
Q: Distinguish between diffusion and equilibrium.
A: Diffusion is movement of molecules from an area of high concentration to an area of lower ...
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| Bacteria Cultures | 2/9/2005 |
Q: Followup To Question -Followup To Question - dear mr. hintz, I have a semester project that i am ...
A: 1. Bacillus subtilis and Staph epidermidis 2.Planted cultures grow a body temperature in 24 to 48 ...
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| Help pls | 2/9/2005 |
| Q: I would like to ask, how |
