Question

What must happen in DNA replication before new nucleotides can begin to be attached?

Responses

the DNA must be stripped of its phosphate backbone

enzymes must cut the DNA into smaller pieces

a new double helix must be formed from the original DNA strand

the DNA double helix must unwind

Answer 1

Answer: the DNA double helix must unwind.

Explanation: i took the test !

Answer 2

For me, I think that the DNA double helix must unwind before new nucleotides can begin to be attached in DNA replication.