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Unformatted text preview: embryonic and adult stem cells? What are the practical and ethical issues involved in developing the use of these two different sources of stem cells for therapeutic purposes? 7. Why do cells need to regulate the concentrations of gene products (proteins)? are Describe 10 different ways in which eukaryotic cells do this. 8. What is it about epithelial cells (like those in lungs, skin, and gut) that make them so susceptible to cancer? 9. Describe what a chromosome looks like during various parts of the cell cycle, including G1, after S, during mitosis before and after anaphase. (Does a chromosome look like a piece of spaghetti wrapped around histones, like an X, like an Oor something else?) 10. How is it that human cells can make over 100,000 proteins with only 25,000 genes? (There is more than one part to a complete answer)...
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This test prep was uploaded on 04/14/2008 for the course MCB 181 taught by Professor Jorstad during the Fall '07 term at University of Arizona- Tucson.
- Fall '07