EasyNEET 2026
+4 / -1
Identify the correct sequence of steps in each cycle of Polymerase Chain Reaction.
A
Denaturation → Extension → Annealing
B
Denaturation → Annealing → Extension
C
Annealing → Denaturation → Extension
D
Extension → Annealing → Denaturation
Explanation
Each PCR cycle begins with denaturation of DNA, followed by annealing of primers to complementary sequences, and finally extension by DNA polymerase.
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