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28 November, 06:07

Which enzyme is responsible for facilitating the hydrogen bonding between nucleotides in a new dna molecule?

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  1. 28 November, 08:58
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    The enzyme DNA polymerase is responsible for linking the nucleotides in a new DNA strand.

    Before replication of DNA occurs, the DNA double helix is first unwound, after which the two strands must be separated much like the two sides of a zipper by breaking the weak hydrogen bonds that link the paired bases.

    The unwound DNA strands are held apart to expose the bases so that new nucleotide partner can hydrogen-bond to them. It is DNA polymerase that moves along the exposed strand, joining newly arrived nucleotides into a new DNA strand by linking paired bases by hydrogen bonds.
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