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Unformatted text preview: Before a cell divides, it copies its DNA by a process called DNA replication. In DNA replication, enzymes work to unwind and separate the double helix and add complementary nucleotides to the exposed strands., The result of DNA replication is two exact copies of the cell's original DNA. Each new double helix is composed of one original DNA strand and one new DNA strand. DNA polymerase proofreads DNA during its replication so that very few errors occur. 30 | P a g e Gautham 11/19/09...
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- Spring '09