DNA synthesis

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DNA is replicated by semi-conservation replication. This means one strand is used as a template to minimize the chance of mistake. In the process the double stranded DNA is unwound by enzymes called DNA helicases. The unwinding starts at a location in the genome called the origin. DNA polymerase is the enzyme responsible for binding complementary free nucleotides to the exposed bases on the template strand. This forms a replication fork[1]. Two copies of the original DNA strand are produced. 

References

  1. Harl and Ruvolo., 2012: 6,7
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