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About Florence M Rollwagen
(Top Expert on this page)

Expertise
I can answer questions in biology, microbiology and immunology on the undergraduate or graduate level. I can also address medical and health concerns regarding alternative medicine, autoimmune diseases (lupus, MS) liver disease and intestinal problems.

Experience
I have over 20 years experience in research and teaching at the medical/graduate level, and 5 years teaching college biology and microbiology. My expertise is in microbiology and immunology, specifically the biology of cytokines and soluble immune response modifiers. I also carried out original research in blood substitutes and shock/trauma.

Organizations
American Association of Immunologists (AAI) American Association for the Advancement of Science (AAAS)

Publications
Journal of Experimental Medicine, Journal of Immunology, Cytokine, Shock, Experimental Hematology

Education/Credentials
BS biology 1966 MS biology 1968 PhD immunology 1979

   

You are here:  Experts > Science > Biology > Biology

SubjectDate AskedExpert

Daughter's eye color7/7/2009Dana Krempels, Ph.D.
  Q: I am mixed with afghan and polish. My babies father is mixed with black, german a small percentage ...
  A: Human hair, eye, and skin color are very complex and difficult to predict, because each of these ...
I need help answering questions7/2/2009John Locke
  Q: What is absent from a bacterial cell? Why are gases hotter than liquids or solids?
  A: These questions are fairly vague and broad, but I can help direct as to their answers. Bacteria lack ...
Biology7/1/2009John Locke
  Q: Why were humans unaware of microrganisms for most of thier history?
  A: The most likely reason for this lack of awareness was a lack of sufficiently complex scientific ...
How much can a Masters in Microbiology can pay?7/1/2009Florence M Rollwagen
  Q: I am a graduate of Microbiology from India,& want to pursue Masters in the same in US.I am not sure ...
  A: A microbiologist with a Master's degree can earn about $40-$60 thousand dollars per year, depending ...
transcription: where is the promoter?7/1/2009Dana Krempels, Ph.D.
  Q: where the promoter is located ?? is it on the template strand or the coding strand ? by logic it is ...
  A: The promoter is where the RNA polymerase attaches to begin transcription of a gene. Therefore, it ...
skin and hair color!6/30/2009Florence M Rollwagen
  Q: can the environment affect the baby traits,like hair and skin color. as there is a fair blonde ...
  A: Inheritance of skin, hair and eye color are polygenic. That means that several genes contribute to ...
biology6/29/2009Florence M Rollwagen
  Q: when human dies,which dies first, heart or mind
  A: When you say "die" do you mean loss of awareness? What I mean is that people can be rescued from a ...
Molecular Clocks6/26/2009Florence M Rollwagen
  Q: I'm an undergraduate working towards a degree in Ecology and Evolutionary Biology. Through my ...
  A: It's true, the use of molecular clocks as evolutionary tools has become more refined over the years. ...
evolution nonsesnse6/26/2009Florence M Rollwagen
  Q: a while ago I wrote and you said that there is no evidence of creation at all and that evolution is ...
  A: Kevin: I see you are still asking questions that have no answers. 1. There is plenty of evidence ...
Hair genetics6/26/2009Walter Hintz
  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 ...
Hello6/23/2009Florence M Rollwagen
  Q: What is another name for Megasporangium?
  A: I don't think there's another name. It is part of the female reproductive organs of plants. ...
Stomach Acid6/23/2009Shweta Mishra
  Q: Is it true that stomach acid is strong enough to melt razor blades or similar materials?
  A: The pH of gastric acid is 2 to 3 in the human stomach lumen. This is considered highly acidic. ...
Fruit experiment6/23/2009John Locke
  Q: We have been doing an experiment on preserving apples. We put a half an apple in lemon juice, water ...
  A: I can answer some of your questions broadly, but I unfortunately cannot determine the exact reason ...
Weight gatn6/22/2009Shweta Mishra
  Q: Is it possible to gain more mass than the food and liquid weigh that we consume over a 72 hour ...
  A: Dialysis cannot rid the body of fluid as effectively as healthy kidneys that work around the clock. ...
EYE COLOR6/22/2009Chris Bemes
  Q: My mother has green eyes, my father has hazel (brown/green) eyes. I have hazel (brown/green) eyes ...
  A: You are correct, the genes for brown eyes are dominant, but quite often two brown eyed parents will ...
Microscopy/Cell biology6/22/2009Paras Anand
  Q: Hypothetical question. If I am studying a protein which is localized to the center of the cell, ...
  A: You have to make z-section of the fixed cells in which nucleus is stained with DAPI. Labeling your ...
Biology6/21/2009Shweta Mishra
  Q: Bob and Sally recently married. Upon deciding to plan a family, both Sally and Bob find out that ...
  A: The question tells that both Sally and Bob are heterozygous which means they both are carriers of CF ...
Biology6/21/2009Florence M Rollwagen
  Q: Transcription: During the process of transcription, the information in the DNA codons of a gene is ...
  A: This is obviously a homework question, but I'll send you to a couple of websites that will help. ...
Biology6/21/2009John Locke
  Q: Eukaryotic cells can divide by mitosis or meiosis. In humans, mitosis produces new cells for growth ...
  A: The topic of genetic variability in sexually reproducing organisms is a fairly complex one, more so ...
Ants and Microwaves6/20/2009Paras Anand
  Q: Not sure I'm asking the right person but here goes. I was in a hurry the other day and threw a ...
  A: Honestly, I do not know the answer. However, this question has been raised in many forums and I ...
Ants and Microwaves6/20/2009John Locke
  Q: Being somewhat in a hurry the other day, I popped a burrito in a microwave in which about a dozen ...
  A: Microwaves work by exciting dielectric (insulating or nonconductive) substances within food like ...
Is marine biology a good base for vet school?6/20/2009Walter Hintz
  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 ...
hai6/19/2009John Locke
  Q: What 'M' is the mainly found in the body paet of the sperm?
  A: I suspect the "M" you're describing is mitochondria, which are present in high concentrations within ...
appearance of blood drained body.6/18/2009Walter Hintz
  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 ...
Classification6/18/2009Walter Hintz
  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. ...
lowering pressure during the drying process6/18/2009Florence M Rollwagen
  Q: I would like to know if lowering pressure will decrease the boiling point of water , will this also ...
  A: Yes, lowering the pressure will decrease the boiling point of water. People who live at high ...
Itching and scratching6/18/2009Walter Hintz
  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.6/17/2009Walter Hintz
  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 scratching6/17/2009Walter Hintz
  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 ...
biology6/16/2009Shweta Mishra
  Q: lipase is a digestive enzyme that digests fat droplets in the basic conditions (NaHCO3 is present) ...
  A: tube 1 = no digestion because no lipase enzyme present tube 2 = no digestion because no basic ...
Antibody6/15/2009Florence M Rollwagen
  Q: outline the hybridoma method for the production of a monoclonal antibody. Thanks a lot
  A: Warm, when are you going to stop asking homework problems? Just look on the internet: ...
Hybridoma method6/15/2009Shweta Mishra
  Q: outline the hybridoma method for the production of a monoclonal antibody. Thanks a lot
  A: 1- The mice is immunized with the antigen against which the antibody is to be produced. When a ...
photosynthesis6/14/2009John Locke
  Q: What is the source of oxygen atoms in glucose formed by photosynthesis? Also the source of hydrogen ...
  A: In photosynthesis, glucose is formed by the interaction of sunlight (an energy source), carbon ...
Bones6/12/2009John Locke
  Q: 1. What is the bump a person gets on their head or hand when their bone hits something hard? 2. Is ...
  A: I think that the bumps you are referring to may be from hematomas, which are masses of red blood ...
Citric Acid Cycle6/11/2009John Locke
  Q: I am a 2nd year student at university and studying for a Biochemistry exam. I was curious to know ...
  A: The citric acid cycle--also known as the Krebs cycle or tricarboxylic acid cycle--does involve the ...
bacteria - pilus & plasmids6/11/2009Florence M Rollwagen
  Q: I was wondering if there would be a way to develop some sort of vaccine or treatment that would stay ...
  A: Alas, bacteria also transfer genetic material via transduction (transfer via bacteriophage) and ...
microbiology - bacteria biofilms6/11/2009Florence M Rollwagen
  Q: Would it be possible to develop some sort of vaccine or treatment that would stay in our bodies ...
  A: Bryan: Bacterial biofilms are almost universal, occurring in nature on rocks, leaves and boats. ...
blood from body6/10/2009Dana Krempels, Ph.D.
  Q: In my fictional story, I wanted a body to be found where it had been completely drained of blood (by ...
  A: I'm not sure you have to abandon your idea of completely draining the body of blood. After all, ...
Physical resemblance of a child to one parent or the other6/10/2009Dana Krempels, Ph.D.
  Q: I heard from a friend that there is a tribe in Africa whose people believe that the main physical ...
  A: Your friends hypothesis is creative, but it is not correct. A baby's traits are determined by a ...
biology6/10/2009Shweta Mishra
  Q: how do you determine an individuals sex?
  A: There are many ways of determining an individuals sex. 1- By physical characteristics observation ...

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Walter HintzJohn LockeSwetha Ashok
Florence M RollwagenJoy RamosParas Anand
Shweta MishraChris BemesChris Larsen
Dana Krempels, Ph.D.  

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