9rorellanaguzman 9rorellanaguzman

14-12-2020
Biology

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What is the first step of DNA replication?

A. Free nucleotides bond together in the correct sequence.

B. A single-stranded RNA molecule forms.

C. The DNA transfers its information to RNA through an amino acid.

D. The DNA molecule unzips along weak hydrogen bonds.

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briannat7726 briannat7726

14-12-2020

Answer:

D

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 of DNA together

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romeroyamilet137 romeroyamilet137

14-12-2020

D should be the right one

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