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State whether the following is true or false.
The p53 protein repairs damaged DNA directly.

  • A.True
  • B.False
  • C.True only at large scales
  • D.False only at small scales

Answer: B

It is a transcription factor that halts the cycle and switches on repair genes, or triggers apoptosis when repair is hopeless. Confusing the manager with the workforce is the usual error here. Its job is to decide what happens next, not to mend the damage itself.

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