What Role Does AP Endonuclease Have in the Base-Excision Repair

question 18

Multiple Choice

What role does AP endonuclease have in the base-excision repair system?

• A) It removes the damaged base from the nucleic acid.
• B) It cleaves the phosphodiester backbone after base removal.
• C) It removes nucleotides from the broken strand of the nucleic acid.
• D) It adds new nucleotides to replace the excised ones.
• E) It creates a new phosphodiester bond to repair the backbone.

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