Biology

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Which of the following must occur for a mismatch error to be repaired? Which is the best answer, I think it's A, am I right?

A)Damaged DNA must be identified by DNA repair proteins
B)The sequence of nucelotides in the damaged DNA sequence must guide the synthesis of the correct DNA sequence
C)Entire strands of damaged Dna must be destroyed by DNA eating enzymes within the nucleus.

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