When deoxyribonucleic acid (DNA) is replicated, proofreading occurs __________.

Question

When deoxyribonucleic acid (DNA) is replicated, proofreading occurs __________.
because nucleotides are sometimes mismatched or another form of a nitrogenous base is used that does form the correct bond
to copy the DNA into a ribonucleic acid (RNA) molecule
to synthesize a new protein
to add mutations to the sequence
When deoxyribonucleic acid (DNA) is replicated, proofreading occurs __________.
because nucleotides are sometimes mismatched or another form of a nitrogenous base is used that does form the correct bond
to copy the DNA into a ribonucleic acid (RNA) molecule
to synthesize a new protein
to add mutations to the sequence
When deoxyribonucleic acid (DNA) is replicated, proofreading occurs __________.
because nucleotides are sometimes mismatched or another form of a nitrogenous base is used that does form the correct bond
to copy the DNA into a ribonucleic acid (RNA) molecule
to synthesize a new protein
to add mutations to the sequence

Explanation / Answer

option a is correct because during replication some nucleotides are mismatched ( adenind bound to guanine , thymine bound to cytosine) so there is need of proofreading.

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