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Major Points, Lecture 25 SS10

Major Points, Lecture 25 SS10 - BSCI105 Freshman Connection...

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BSCI105, Freshman Connection Fall 2010 Major Points, Lecture 25 1. What are four examples of innapropriate behavior of cells resulting from problems with gene regulation? 2. What is a key characteristic of cancer cells? 3. What do we call the process of normal cells becoming cancer cells? 4. What are four features that make some cancers relatively benign? 5. What features are characteristic of malignant cancers? 6. What is “metastasis?” 7. What are two processes that inhibit cell division in normal cells, but fail in cancer cells? 8. What signaling mechanism fails in cancer cells aloowing them to penetrate connective tissue? 9. From the cells point of view, what is one problem that contributes to metastasis? 10. What cells are damaged in heritable cancers? 11. What do we call factors contibuting to somatic cell cancers? 12. Explain wht we mean by “multiple hits” to genes being required to cause cancer. 13. What is a proto-oncogene? What is its normal function?
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