DNA Repair

Review Questions

During proofreading, which of the following enzymes reads the DNA?

  1. primase
  2. topoisomerase
  3. DNA pol
  4. helicase

Hint:

C

The initial mechanism for repairing nucleotide errors in DNA is ________.

  1. mismatch repair
  2. DNA polymerase proofreading
  3. nucleotide excision repair
  4. thymine dimers

Hint:

B