Biology/Questions
| Subject | Date Asked | Expert |
| biology | 1/21/2006 | Christopher Rosch |
| Q: please tell me all the parts of scientific method: A: 'observation' is the first element of the scientific method: a scientist observes a phenomenon he ... | ||
| Hi | 1/19/2006 | Christopher Rosch |
| Q: I just wanted to see if you knew how much percentage of the worlds transgenetic crops or crops are ... A: regarding the area under cultivation, the U.S. is leading in transgenic crops. In 2004, about 47 ... | ||
| DNA | 1/19/2006 | Walter Hintz |
| 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 ... | ||
| Enzymes | 1/18/2006 | Barbara Silber |
| Q: Can you please direct me to some useful websites or books to find some information on: "the use of ... A: A good starting place for any on-line research is google(www.google.com) and otherwise go to a ... | ||
| Chromosome Anthropology | 1/16/2006 | Christopher Rosch |
| Q: I'm Kyle Costigan and I was wondering if you could answer a few questions for me. I'm doing a ... A: Q: How long ago did we start to branch off from our ancestors? A: Recently, with the discovery of ... | ||
| cellular respirtation | 1/15/2006 | Christopher Rosch |
| Q: can you show me a diagram of cellular respiration? A: it's not easy to find good figures on cellular respiration (= respiratory electron transport chain) ... | ||
| sensory and nervous system | 1/13/2006 | Walter Hintz |
| 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 | Walter Hintz |
| 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 | Walter Hintz |
| 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 | Walter Hintz |
| 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 | Walter Hintz |
| 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 | Walter Hintz |
| 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 ... | ||
| Extra Credit | 1/10/2006 | Barbara Silber |
| Q: Ms. Sibler: My son, Kyle Waddell, was assigned an extra credit project to write 10 questions for an ... A: I stated that these were "homework-like" questions. I did not imply nor did I believe that your son ... | ||
| Taxonomy | 1/10/2006 | Walter Hintz |
| 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 ... | ||
| Human Brain - memory | 1/10/2006 | Christopher Rosch |
| Q: Why is it that we can recall the words to music years after we last heard a song. Even if we only ... A: Facts (like words) are not easy to memorize as plain facts. It is, however, much easier if you are ... | ||
| Taxonomy | 1/10/2006 | Barbara Silber |
| Q: Silber, My name is Kyle and I am in 10th grade biology. My teacher gave us an extra credit ... A: I'm sorry but I don't answer the "homework" kind of question - one where you can find the answer ... | ||
| biology | 1/10/2006 | Christopher Rosch |
| Q: why active cells are usually small in size? why can cells not grow beyond their maximum size? how ... A: (1) The size of cells is limited by intracellular transport and signalling capabilities. The cell ... | ||
| not sure! | 1/9/2006 | Barbara Silber |
| Q: Please can you tell me what is behind that fluttery sensation in the stomach? (The agitation/anxiety ... A: This is a question that you should discuss with your primary care physician. Nerves, anxiety, ... | ||
| Microbiology | 1/9/2006 | Christopher Rosch |
| Q: I am doing some lab work at uni and as an initial basis of my expeiment I need to gather a range of ... A: Be aware that killing yeasts and inducing cell death are two different subjects; you asked about ... | ||
| general microbiology | 1/9/2006 | Christopher Rosch |
| Q: What is gram positive bacteria? A: a simple means to classify bacteria are staining methods. The Gram staining is one such method, ... | ||
| biology | 1/8/2006 | Christopher Rosch |
| Q: name the three transport processes in cells that do not require energy and briefly describe how each ... A: Facilitated diffusion: Ion channels or pores like aquaporins facilitate the diffusion of ions or ... | ||
| hormone | 1/6/2006 | Christopher Rosch |
| Q: what is the mechanism of controlling calcitonin secration? A: the concentration of calcium in the blood plasma is constantly monitored. To measure calcium ... | ||
| hormone | 1/6/2006 | Christopher Rosch |
| Q: how is the graph between blood glucose and secration of glucagon either the graph between blood ... A: the level of blood glucose is monitored by the pancreas. Glucagon and insulin are the two hormones ... | ||
| monozigotic twins | 1/6/2006 | Christopher Rosch |
| Q: I have one question concerning monozigotic twins. It is often said that they have identical DNA,but ... A: monozygotic twins do have identical DNA. There are no differences in DNA that cannot be detected by ... | ||
| endocerin system | 1/5/2006 | Christopher Rosch |
| Q: CALCITONIN and blood calcium mechanism is a negative feedback or a possetive feedback? (please ... A: Calcitonin, a peptide hormone released by the thyroid gland, controls the Ca2+ level in blood. An ... | ||
| twins eye color | 1/4/2006 | Christopher Rosch |
| Q: Is it possible for identical twins to have different eye color? what is the precentage? Parents ... A: the eye color is determined by about five to six genes, which makes it difficult to predict a ... | ||
| Biology | 1/3/2006 | Tanya |
| Q: I'm a senior biology major at Mississippi Valley State University and this semester I have to do a ... A: I'm really sorry, but this is totally not something I can help you with. Do you have a graduate ... | ||
| Bread Mold | 1/2/2006 | Christopher Rosch |
| Q: I have decided to perform an experiment on bread mold for a science project, and no matter what ... A: try to search for "Rhizopus" in Google or any other search engine. Rhizopus is the scientific name ... | ||
| Is a dog's mouth cleaner than a human's mouth? | 1/1/2006 | Walter Hintz |
| 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 | Walter Hintz |
| 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 ... | ||
| Effective Microorganisms | 12/30/2005 | Christopher Rosch |
| Q: On my alternative diet group, the moderator is a rather obnoxious guy who constantly promotes on the ... A: I'm not familiar with the concept of EM in nutrition. The concept originally applied to ... | ||
| Per capita birth and death rate formula | 12/29/2005 | Christopher Rosch |
| Q: Can you tell me the formula for calculating percapita birth and death rate? A: usually birth and death rates are calculated based on 1000 people, not per capita (1 people), ... | ||
| biology | 12/29/2005 | Christopher Rosch |
| Q: describe the impact of human activites on the nitrogen cycle A: human activities have influence on the global nitrogen cycle in several ways. First, the production ... | ||
| dryness? | 12/29/2005 | Walter Hintz |
| 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 | Walter Hintz |
| 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 | Walter Hintz |
| 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 | Walter Hintz |
| 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 ... | ||
| alcohalic drinks consumtion | 12/23/2005 | Barbara Silber |
| Q: i want to know weather drinking alcohalic drinks like wine affects our bodies immune system against ... A: Alcohol has a negative effect on the immune system. There is an increased incidence of infections ... | ||
| evolution (2 related questions) | 12/21/2005 | Barbara Silber |
| Q: They're not homework! 1. Evolution supposes a time when inorganic molecules became capable of ... A: Bacteria have genes that allow the organism to metabolize molecules. "Eating" may be considered an ... | ||
| biology | 12/20/2005 | Christopher Rosch |
| Q: 1. Where are the nodes ina neuron located? a. between dendrites b. between myelin segments ... A: Q1 b, between the myelin segments (see textbook figure) Q2 a, genital warts are caused by the Human ... | ||
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Biology
Answers by Expert:
Walter Hintz
Top Expert on this page
Expertise
Science teacher for over 50 years. MSc. in biology. I can answer questions in general biology, zoology, botany, anatomy and physiology and biochemistry.
Experience
I have a MSc in biology and have been a science teacher for over 50 years. At present I am a faculty member at a college and a science consultant at seven catholic schools.
Publications
The Ohio journal of Science
Momentum-The Journal of the Catholic Education Association
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