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Which of the following mechanisms will remove uracil and incorporate the correct base?

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Which of the following mechanisms will remove uracil and incorporate the correct base?

(a) Direct repair

(b) Base excision repair

(c) Mismatch repair

(d) Nucleotide excision repair

I have been asked this question during an internship interview.

Question is taken from DNA Repair topic in chapter DNA, RNA and Protein Metabolism of Biochemistry

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The correct choice is (b) Base excision repair

For explanation I would say: Base excision repair is responsible for removing small, non-helix-distorting base lesions from genome.

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