Identify the phase of PCR amplification where the primer is annealed.
A) A
B) B
C) C
D) D

Question

Identify the phase of PCR amplification where the primer is annealed. 
A) A 
B) B 
C) C 
D) D

Quizplus · Accepted Answer

During the second step of PCR amplification, called annealing, the primers bind to the complementary single-stranded template DNA. This occurs at a lower temperature than the first step (denaturation) to allow for primer annealing. Therefore, the correct choice is B for the phase of PCR amplification where the primer is annealed.

Identify the Phase of PCR Amplification Where the Primer Is