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What is DNA REPLICATION?
1) DNA helices begin to unwind
2) a helicase enzyme untwisted the double helix, separating the DNA molecule into two complementary nucleotide chains
3) each strand serves as a template for building a new nucleotide strand
4) the needed machinery accumulates until several different proteins are present,including RNA primers
5) DNA polymerase III covalently links nucleotide strands together
6) the short segments are spliced together by DNA ligase, resulting in two DNA molecules identical to the original
7) his tones associate with the DNA completing the form of two new chromatin strands
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