The role of DNA polymerase in replication is to act as the primary enzyme responsible for copying the genetic material inside a cell. This enzyme reads a template strand of DNA and adds complementary new nucleotides to build a second strand. Because of that, because of this action, DNA polymerase is often described as the “copy machine” of the cell. Its work ensures that genetic information is passed from one generation of cells to the next. Without DNA polymerase, the delicate process of cell division would fail, and the instructions for building proteins, maintaining cells, and supporting life would not be preserved accurately Nothing fancy..
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The Core Role of DNA Polymerase in Replication
At its core, DNA polymerase catalyzes the formation of deoxyribonucleotide bonds during DNA replication. Adenine pairs with thymine, and guanine pairs with cytosine. It does this by matching new nucleotides to the bases on a template strand. As the enzyme moves along the template, it adds the correct complementary nucleotide to the growing strand.
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