In DNA replication,a primer is a... | vedclass

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Question

(B) In $DNA$ replication,the enzyme $DNA$ polymerase cannot initiate the synthesis of a new $DNA$ strand on its own. It requires a free $3'-OH$ group

Vedclass · Accepted Answer

small ribonucleotide polymer.

Vedclass · Answer

(B) In $DNA$ replication,the enzyme $DNA$ polymerase cannot initiate the synthesis of a new $DNA$ strand on its own. It requires a free $3'-OH$ group to add nucleotides. $A$ primer is a short segment of $RNA$ (a small ribonucleotide polymer) that provides this required $3'-OH$ end. This primer is synthesized by the enzyme primase. Therefore,the correct answer is $B$.

In $DNA$ replication,a primer is a...

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