QUESTION 8 What is the role of p53 in regulating the cell cycle? A. It inhibits

Question

QUESTION 8

What is the role of p53 in regulating the cell cycle?

A. It inhibits Cdc25 which prevents activation of M Cdk-cyclin.

B. It activates two kinases - ATM and ATR - which regulate activity of G1 Cyclin.

C. It stimulates transcription of p21, which inhibits activity of G1 Cdk-cyclin.

D. It cleaves cohesin which initiates separation of sister chromatids.

A. It inhibits Cdc25 which prevents activation of M Cdk-cyclin.

B. It activates two kinases - ATM and ATR - which regulate activity of G1 Cyclin.

C. It stimulates transcription of p21, which inhibits activity of G1 Cdk-cyclin.

D. It cleaves cohesin which initiates separation of sister chromatids.

Explanation / Answer

Answer. 8 (c) p53 stimulate transcription of p21 and which inhibits the activity of G1 Cdk cyclin

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