Q. Many copies of a DNA molecule in a test tube are produced by:
A) Polymerase chain reaction (PCR)
B) Molecular chain reaction (MCR)
C) Ephemeral chain reaction (ECR)
D) All of them
Explanation
The correct answer is Option A: Polymerase chain reaction (PCR).
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.