Multiple Choice
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 are mutant versions of normal genes.
C) Proto-oncogenes are genetic "junk."
D) Proto-oncogenes normally help regulate cell division.
Correct Answer:
Verified
Correct Answer:
Verified
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