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Equally important and coupled with DNA methylation is DNA demethylation, the removal of a methyl group. The demethylation process is necessary for epigenetic reprogramming of genes and is also directly involved in many important disease mechanisms such as tumor progression.
Lesson Summary. In summary, we have covered what DNA polymerase is and what it does. DNA polymerase is an enzyme that synthesizes new copies of DNA. It carries out this function after DNA helicase has unzipped the DNA thereby creating two single strands of DNA that can be used as templates.he result of DNA polymerase function is two copies of DNA that contain one original and one newly synthesized strand of DNA. To unlock this lesson you must be a Study.com Member.