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Biology
Boston Harrell
17 May, 22:09
What must occur before replication can begin?
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Jaron Prince
18 May, 00:55
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The two DNA strands must separate
Explanation:
This separation is mediated by DNA helicases enzymes. Using ATP energy, they breakdown the hydrogen bonds between the two strands of the double helices giving access of DNA polymerase to single-stranded DNA required for replication. The DNA polymerase can only bind to single-stranded DNA.
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