Select items that describe a stage of a PCR reaction.Choose all that apply.
A) DNA is heated to a temperature that causes the strands to separate.
B) Primers bind to complementary sequences on the template DNA.
C) DNA gyrase enzyme relieves the supercoiling ahead of the replication fork.
D) The DNA polymerase synthesizes a new strand of DNA that is complementary to the template DNA.

Question

Quizplus · Accepted Answer

PCR involves three main stages: denaturation (A), annealing (B), and extension (D). DNA gyrase (C) is not involved in PCR; it is part of DNA replication in cells.

Select Items That Describe a Stage of a PCR Reaction