Monday, November 16, 2009

1. What regulates division in a cell?

2. What will happen when normal cells are alllowed to grow in a glass dish containing nutrients? Compare the behavior of cancer cells under similar conditions?





3. What is the relationship between environmental factors and cancer?





4. Cancer is the second leading cause of death in the US. What 4 types of cancer have the highest death rate?





5. What are three environmental factors that damage the genes that control cell cycle?





6. What is a "carcinogen"?





7. What might mutations in tumor-suppressor genes or proto-oncogenes cause?





8. Are any cancers associate with viruses?





9. When you get dental x-rays, when does the dentist normally cover the rest of your body in a lead apron? Why might x-rays be more dangerous to an ovary or a testis than a muscle cell?





10. Describe the final stages of cancer.





please help!

1. What regulates division in a cell?
check out this research group they have a message board you can use http://boinc.bakerlab.org/rosetta/

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