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Molecular Biology/Questions

SubjectDate AskedExpert
centromere5/14/2010Stefan Gruenwald, MD, PhD
  Q: Are there neocentromere and centromere on one chromosome simultaneously? When does neocentromere ...
  A: Neocentromeres are rare human chromosomal aberrations where a new centromere has formed in a ...
gene5/13/2010Stefan Gruenwald, MD, PhD
  Q: What is the difference between structural gene and constitutive gene? Is the regulator gene ...
  A: This is easy to answer: Structural genes are genes that encode proteins which participate in the ...
Plasmid degradation5/13/2010Stefan Gruenwald, MD, PhD
  Q: I'm having a baffling problem with my plasmids degrading. Any time I put any plasmid (several of my ...
  A: You are clearly getting DNase activity from somewhere. The supercoilded form of the plasmid (nice ...
biology5/13/2010Stefan Gruenwald, MD, PhD
  Q: Sir, Is it possible to produce high content of mitochondria in a normal cell by genetic engineerig?
  A: No, at least not yet. Mitochondria are like primitive bacteria / symbiotic organisms that have been ...
biology5/6/2010Stefan Gruenwald, MD, PhD
  Q: Why peoples are telling donot take nonveg and milk at time? Is there any changes occures in our body ...
  A: There is no real reason to not take non-vegetables like chicken at the same time with milk. The only ...
molecular biology5/3/2010Stefan Gruenwald, MD, PhD
  Q: For the production of 38ATP from the one mole of glucose,how much time is needed for the process in ...
  A: Arun, as I pointed out before, you cannot give a specific time to these processes, since they depend ...
Biology4/30/2010Stefan Gruenwald, MD, PhD
  Q: Does RNA splicing phenomena help in removal of exons..??Please give reason ..
  A: Yes, they are actually the phenomenon which remove the exons inside a precursor mRNA. They exist ...
molecular biology4/27/2010Stefan Gruenwald, MD, PhD
  Q: For the production of 38ATP from the one mole of glucose,how much time is needed for the process in ...
  A: It is hard to say how fast this process occurs, since it is time dependent and also cell dependent. ...
human mouth disinfectant4/26/2010Stefan Gruenwald, MD, PhD
  Q: Is there any way to limit the probability of infection from viruses introduced orally? For example, ...
  A: No, unfortunately there is NO way (currently) of inhibiting a virus from spreading over to you, once ...
molecular biology4/26/2010Stefan Gruenwald, MD, PhD
  Q: For the production of 38ATP from the one mole of glucose,how much time is needed for the process in ...
  A: With 38 ATP you refer to 38 moles of ATP and to aerobic respiration. All higher organisms and many ...
Sugarcane primers/ molecular markers.4/26/2010Stefan Gruenwald, MD, PhD
  Q: I am currrently working as a research scientist involved in sugarcane research (Breeding) as well as ...
  A: Sugarcane is a highly complex organism, genetically. Most sugarcane cultivars use a recent ...
Biology4/25/2010Stefan Gruenwald, MD, PhD
  Q: What are at least five molecular examples of structure fits function?
  A: Any protein with a pocket, where the pocket serves as a catalytic center, would fit as an example of ...
Enquiries on uncut plasmid1/29/2010Adam Ross
  Q: I would like to ask about the different bands form from a purified uncut plasmid when it undergo ...
  A: Andy, The last part of youryou know the plasmid carries a resistance gene by plating it on the ...
Genetics and hair texture1/25/2010Adam Ross
  Q: I am a 17 year old of african hertige and there are many people in my family with different type of ...
  A: Hair texture shows what is called the incomplete dominance method of inheritance. I am sure you are ...
Gel Electrophoresis Confusion?1/24/2010Adam Ross
  Q: I am in science research and me and my partner are making a home-made gel electrophoresis chamber ...
  A: Brianna and Julie, First of all, I am not familiar with the Ward's system you are using. Could you ...
Autoclave1/18/2010Adam Ross
  Q: Ross, I recently purchased a trinocular compound microscope for use at home for fun and to learn ...
  A: Rich- anything that gets to 120 C would work just fine. I would also recommend obtaining some 70% ...
primers12/13/2009Adam Ross
  Q: what are random primers ANSWER: Not sure what you are asking. Please clarify and I will do my best ...
  A: Wikipedia has a very complete page on this. I read through it and it seems to be complete, rather ...
BIO reduction12/13/2009Adam Ross
  Q: would it interfere somewhere (im referring to low joule so no heat or nerve disfunction. like the ...
  A: I assume that the charge accumulation would have an effect on transport systems that rely on charge ...
You12/5/2009Adam Ross
  Q: You are a rude young man and I have rated you so. There was no reason for your attitude. I am ...
  A: Actually, you told me (not asked) that it was impossible for man to evolve from a single celled ...
You12/5/2009Adam Ross
  Q: You are a rude young man and I have rated you so. There was no reason for your attitude. I am ...
  A: All I did was present accepted scientific research. If he has been proven wrong then why is his ...
Evolution12/5/2009Adam Ross
  Q: How can this be explained and/or is it true: The minimal number of genes required to support cell ...
  A: What did you get your PhD in again? There is an endless body of independent research that supports ...
Evolution12/5/2009Adam Ross
  Q: How can this be explained and/or is it true: The minimal number of genes required to support cell ...
  A: You may not be a religious zealot, but you have no understanding of the concept of evolution. It ...
Question...11/28/2009Adam Ross
  Q: Hey if you could answer this question to the best of your ability I’d really appreciate it. It is ...
  A: George, To be perfectly honest, oxygen is actually toxic. Free oxygen radicals actually damage ...
molecules in human body11/12/2009Adam Ross
  Q: A six year old asks: "How do the molecules in our body form together to form our bodies?" While I ...
  A: Mara, One of the hardest things to do in science is to put things in terms that are simple enough ...
Would like to do a Phd in molecular biolgy in America11/8/2009Adam Ross
  Q: Im an Irish student currently finishing my final year in medical and molecular cytology. Next year i ...
  A: 1) Stanford, UCLA, John-Hopkins are all incredibly difficult to get into as they are some of the top ...
molecular biology11/1/2009Adam Ross
  Q: what is the use of isopropyl alcohol and NaCl in salting out method of DNA extraction? thanks for ...
  A: Suvagata, There is a very nice wikipedia page on salting out and the use of NaCl. The salt take ...
protein10/27/2009Adam Ross
  Q: 1. how do i define salting in and salting out in protein isolation? 2. why is glucokinase expressed ...
  A: 1. Proteins are extracted at varying salt concentrations. A nice wikipedia page on this. A positive ...
Molecular Biologist10/14/2009Adam Ross
  Q: Hey, its my homework and I hope you don't mind answering my questions because we need to interview a ...
  A: Ena, I am a graduate student in Molecular and Cellular Physiology. We study cell processes, gene ...
genetics10/13/2009Adam Ross
  Q: 1.why adenine always pair with thymine and guanine with cytosine? 2.what characters are needed for ...
  A: 1. A pairs with T and C with G because the enzymes that replicate DNA using the leading strand to ...
Osmosis10/11/2009Adam Ross
  Q: I was wondering, if there is a solute that has both water and sugar, and you put e.g. some plant ...
  A: Well osmosis is the flow of water down a concentration gradient. Usually this occurs across a ...
8 questions10/10/2009Adam Ross
  Q: i have some questions 1. Transport protein that provides a tube like opening in the plasma membrane ...
  A: Not really sure of what you are asking, but here goes. First of all, you are using the term ...
life10/6/2009Adam Ross
  Q: sir, why scientists cannot make a human being in lab, if they know that everything that a human ...
  A: Axes, The truth is, we dont know everything that makes up the human body. There are hundreds upon ...
pharmacokinetices10/6/2009Adam Ross
  Q: can you please explain the main form of metabolism experienced in vivo by the members of one major ...
  A: Barbiturates are metabolized hepatically. Meaning they are broken down by the liver. If you're ...
macromolecule HELPPP PLEASSE4/19/2009ScienceAdviser
  Q: what are the functions,class,examples and uses of: five different protiens, three differnt ...
  A: You are very welcome. Here is your answer (I am giving you some website with the complete ...
question4/19/2009ScienceAdviser
  Q: what are the top 10 heaviest materials. thanks
  A: I was not quite sure what you mean by heaviest material. If you do not mind writing back to me and ...
Interested in Molecular Biology4/18/2009ScienceAdviser
  Q: I have been recently looking into Molecular Biology as a possible career path. I don't know any ...
  A: Well, here are the answers to your questions in a short version. I start with the bad sides of it ...
microbiology4/8/2009ScienceAdviser
  Q: how many bases are on a single strand of DNA?
  A: This is your answer. Please let me know if you have any more questions. The monomer units of DNA are ...
hello4/4/2009ScienceAdviser
  Q: plz i would like to ask about 1-the osmoregulation how does it happen . 2- the protein domain , ...
  A: I am sorry that you were not happy with my answer. Is there any thing that I can help you with ...
Molecular biology3/31/2009ScienceAdviser
  Q: The most simple and rapid molecular method using Universal PCR primers to Identify Bacillus ...
  A: These are few articles that I found that will explain it to you. I do not use them myself, but I ...
Can bacteria convert milk to "butter"?3/30/2009ScienceAdviser
  Q: I've heard that bacteria can easily digest and metabolize carbohydrates and proteins but cannot ...
  A: this is not my area, but very interesting question. I searched then net, and found this article. Let ...

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