How Does P53 Respond to Cell Stress

question 19

Multiple Choice

How does p53 respond to cell stress?
1) The level of p53 increases dramatically.
2) p53 stimulates the transcription of genes whose products arrest the cell cycle.
3) p53 activates another set of genes whose products ultimately cause the damaged cell to die.

• A) 1
• B) 2
• C) 3
• D) 1 and 2
• E) All of these

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