Which of the Activities of DNA Polymerase I Is Most

question 56

Multiple Choice

Which of the activities of DNA Polymerase I is most important in its role of proofreading?

• A) Polymerase activity.
• B) Ability to nick intact double stranded DNA.
• C) 5' → 3' exonuclease.
• D) 3' → 5' exonuclease.
• E) None of these is used for proofreading.

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