Multiple choice

The primary function of DNA polymerase is to

  1. add nucleotides to the growing daughter strand

  2. seal nicks along the sugar-phosphate backbone of the daughter strand

  3. unwind the parent DNA double helix

  4. prevent reassociation of the denatured present DNA strands.
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A Correct answer
Explanation

DNA polymerase adds nucleotides to an existing nucleotide strand.

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