2026 Biotechnology: Principles and ProcessesPolymerase Chain Reaction (PCR) steps Easy Question 3 of 132 in Biotechnology: Principles and Processes

Identify the CORRECT sequence of steps in each cycle of Polymerase Chain Reaction:

A Denaturation $\rightarrow$ Annealing $\rightarrow$ Extension
B Denaturation $\rightarrow$ Extension $\rightarrow$ Annealing
C Extension $\rightarrow$ Annealing $\rightarrow$ Denaturation
D Annealing $\rightarrow$ Denaturation $\rightarrow$ Extension

The answer is A.

Biotechnology: Principles and Processes in past papers

132 questions from this chapter have appeared across 26 exam years.