Q. During PCR, primers bind to the DNA strands in the ____ step.
A) ligation
B) denaturation
C) extension
D) annealing
Explanation
[Solution from source] PCR has denaturation, annealing (primers bind to single strands) and extension (Taq polymerase synthesises new DNA). Answer (4).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.