Question 1

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10/20/2015 Mitosis Quiz Schedule: Started: Submitted: Score: Points: Points: 10 out of 10 Mitosis Quiz Available now. Due 10/25/2015 11:59 PM EDT Attempt 1 of 2 10/20/2015 11:17 PM EDT 10/20/2015 11:23 PM EDT 88% 70 out of 80 Question 1 Cancer can be the result of all of the following EXCEPT? A. A disregulation of the cell cycle. B. A non­functional tumor suppressor gene and a non­functional proto­oncogene. C. A functional tumor suppressor gene and a functional proto­ oncogene. D. Exposure to a carcinogen. Feedback Correct. Proto­oncogenes give the cell a signal to undergo cell division but only when the cell should be dividing. Tumor suppressor genes, inhibit cell division so that a cell cannot divide uncontrollably. It is when only these genes are both non­functional, that they can result in cancer development.
1/4 Points: 10 out of 10 Points: 10 out of 10

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