Which DNA Repair Mechanism Recognizes a Distortion in Double Helix

question 63

Multiple Choice

Which DNA repair mechanism recognizes a distortion in double helix geometry caused by DNA polymerase's insertion of an incorrect nucleotide during replication, one that escaped the enzyme's proofreading exonuclease?

• A)nucleotide excision repair
• B)base excision repair
• C)mismatch repair
• D)double-strand breakage repair
• E)transcription-coupled pathway

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