DNA Damage and Repair

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Questions and Answers

Which of the following best describes DNA damage?

  • A preventable occurrence
  • A reversible process
  • A normal part of cell life (correct)
  • A result of mutations

What is the major source of DNA damage?

  • Genetic mutations
  • DNA replication (correct)
  • Environmental factors
  • Cell division

Which of the following is NOT a type of DNA lesion?

  • Base modification
  • Single-strand break
  • Double-strand break
  • Gene mutation (correct)

What is the difference between DNA lesions and mutations?

<p>DNA lesions are reversible, while mutations are not (C)</p> Signup and view all the answers

What is the purpose of DNA repair?

<p>To maintain the integrity of the DNA sequence (B)</p> Signup and view all the answers

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