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Author Question: Proto-oncogenes can change into oncogenes that cause cancer. Which of the follow (Read 678 times)

aero

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on: Jun 29, 2013
Proto-oncogenes can change into oncogenes that cause cancer. Which of the following best explains the presence of these potential time bombs in eukaryotic cells?
A) Proto-oncogenes first arose from viral infections.
B) Proto-oncogenes normally help regulate cell division.
C) Proto-oncogenes are genetic "junk."
D) Proto-oncogenes are mutant versions of normal genes.
E) Cells produce proto-oncogenes as they age.


Hawke

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Reply #1 on: Jul 1, 2013
I'd go with B. It makes sense.


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aero

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Reply #2 on: Jul 23, 2013
Just got my test back, you're right!


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