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  • 25-10-2020
  • Biology
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When DNA replicates, the first step is

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Zulla10
Zulla10 Zulla10
  • 25-10-2020

Explanation:

The first step in DNA replication is to 'unzip' the double helix structure of the DNA? molecule. This is carried out by an enzyme? called helicase which breaks the hydrogen bonds? holding the complementary? bases? 

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