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shared by suhak1234 on 19 Aug 14 - No Cached

A subunit of the DNA polymerase proofreads the new DNA
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Before a cell can reproduce, it must first replicate, or make a copy of, its DNA.
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DNA replication occurs in the cytoplasm of prokaryotes and in the nucleus of eukaryotes. Regardless of where DNA replication occurs, the basic process is the same.
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shared by mongkolsong on 19 Aug 14 - Cached

Several enzymes and proteins are involved with the replication of DNA. At a specific point, the double helix of DNA is caused to unwind possibly in response to an initial synthesis of a short RNA strand using the enzyme helicase. Proteins are available to hold the unwound DNA strands in position. Each strand of DNA then serves as a template to guide the synthesis of its complementary strand of DNA. DNA polymerase III is used to join the appropriate nucleotide units together.
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