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Confidence votes 106. The role that enzymes plays in DNA replication is that the enzyme helicase breaks hydrogen bonds between the complementary bases, and the chains separate.
DNA polymerase is the enzyme responsible for adding the daughter nucleotides to the parent DNA strand. In order to help it get started in its process, an RNA primer is built upon the parent strand at the base of the replication fork.The enzyme responsible for building that RNA primer is RNA primase.NA polymerase is like a vehicle that buses in the individual nucleotides. It builds the daughter strand of DNA according to the template set up by the parental strand. For every cytosine, it lays down a guanine, and for every guanine, it lays down a cytosine.