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Home Q & A Board Biology-Related Homework Help Genetics and Developmental Biology
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tiffanygaebel tiffanygaebel
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6 years ago
What are the major functions of p53?
 
  What will be an ideal response?
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6 years ago
Ans: p53's function is to relay information about DNA damage from ATR and ATM through p21 and on to Rb. This will prevent entry into the S phase, arresting the cell cycle until the DNA damage can be repaired. If the DNA damage is too extensive for complete repair, p53 will trigger apoptosis, or programmed cell death.
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