Question

the first step in the PCR is​

Answer 1

Answer:

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Answer 2

Answer:

The first step in a PCR cycle is the denaturation step. This is the PCR step in which the hydrogen bonds holding the complementary strands of DNA together are broken. The second step in a PCR cycle is the annealing step. The annealing step is the PCR step in which the primers anneal, or attach, to the DNA template.