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What does the term "unzipping" refer to in DNA replication? A. polymerization B. breaking hydrogen bonds C. the movement of DNA polymerase D. matching complementary nucleotides



Answer :

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"Breaking hydrogen bonds" is the one among the following choices given in the question that the term "unzipping" refer to in DNA replication. The correct option among all the options that are given in the question is the second option or option "B". I hope that this is the answer that has come to your help.
samueladesida43

Answer:

B. breaking hydrogen bonds

Explanation:

DNA replication is an important phenomenon that must occur in every living cell that is about to undergo division. It is a process of doubling the content of the genetic material (DNA) in the cell so that each daughter cell can get a correct amount of DNA. However, prior to replication of the DNA, its long double-helical structure needs to be unzipped.

This unzipping is carried out by an enzyme called DNA HELICASE. It is the process of separating the double-strands of the DNA into two single strands that forms a Y-shaped replication fork. This unzipping is actually done by breaking the weak hydrogen bonds that holds the complementary nucleotide subunits together. Each separated single strand serves as a template for the synthesis of a new DNA strand.

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