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Expert: Florence M Rollwagen - 1/3/2009


Question
QUESTION: In what stage does the cell grow to its mature size?

ANSWER: Hi Andrew:  Thanks for your question.  The cell grows in both G1 and G2 phases, but reaches its mature size in G2.

Here's a reference:
http://en.wikipedia.org/wiki/Cell_cycle

And a movie:
http://www.cellsalive.com/cell_cycle.htm

Hope this helps!

FM Rollwagen, PhD

---------- FOLLOW-UP ----------

QUESTION: Hi,
To a response to your response, I am studying basic life science. The choices on this question on one of my papers are - 1.Mitosis 2.Prophase 3.telophase 4. interphase
P.S. Im sorry, but i have no clue what G1/G2 means?!?!?!?1

Answer
Hi again, Andrew:

First, it seems that you've asked me a homework question, which I won't answer.

Second, if you went to the websites I gave you then you would have the answer, even if you don't know what G1 and G2 are.

Third, you have confused your question.  The phases you outlined are phases of mitosis, not cell growth.

Check the websites and learn something.

FM Rollwagen, PhD

Biology

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Florence M Rollwagen

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

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