If DNA damage occurs early in G1 of the cell cycle, the tumor suppressor protein p53
A) activates the p21 gene which encodes a CDK inhibitor, thereby causing G1 arrest.
B) promotes apoptosis.
C) phosphorylates the retinoblastoma protein (pRB) , thereby blocking the cell cycle.
D) is targeted for degradation by the proteasome.
Correct Answer:
Verified
Q8: The c-src proto-oncogene encodes a membrane-associated, nonreceptor
Q9: The c-myc proto-oncogene encodes a
A) helix-loop-helix transcription
Q10: What would be the effect on cell
Q11: What would be the consequence of inactivation
Q12: Progression through the cell cycle is regulated
Q14: In addition to promoting cell cycle
Q15: Recent studies suggest that the expression pattern
Q16: The "Philadelphia chromosome" is a reciprocal translocation
Q17: Possible outcomes of DNA tumor virus infection
Q18: Tumor viruses can cause cancer by
A) encoding
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