WEEK_9_WA - 1 Would you expect cancer to arise more often in types of cells that divide frequently(i.e skin cells or in types of cells that divide

WEEK_9_WA - 1 Would you expect cancer to arise more often...

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1. Would you expect cancer to arise more often in types of cells that divide frequently (i.e. skin cells) or in types of cells that divide rarely or not at all (such as nerve/brain cells)? EXPLAIN YOUR REASONING! (10 points) It obviously occurs more often in rapidly dividing cells because, the more often cell divide, the more of a chance for a mistake to be made. The heart is a great example of very rare occurrence because the cells of the heart are very slow dividing and therefore, less chance of an aberration happening to cause cancer of the heart. 2. Why aren’t genes being CONSTANTLY transcribed? How might an understanding of transcription and translation allow us to control pathogens? (10 points) The transcription depends on the need of cell and the state of the cell. Because in the S phase, the DNA is replicated and to avoid complexity, it only transcribes the histone genes. And as the 8 hours are spent in transcription, the process is not so constant. 3. Determine the complementary bases for the following DNA strand ACGTCGTAGCTG (5 points)
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  • Fall '15
  • Biology, DNA, UAG, following DNA strand, CAU GAG ACU

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