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Question: Answered & Verified by Expert
Which of the following steps are catalysed by Taq polymerase in a PCR reaction?
BiologyBiotechnology - Principles and ProcessesNEET
Options:
  • A Denaturation of template DNA
  • B Annealing of primers to template DNA
  • C Extension of primer end on template DNA
  • D All of the above.
Solution:
1201 Upvotes Verified Answer
The correct answer is: Extension of primer end on template DNA
Polymerase chain reaction consists of three steps : Denaturation, Annealing and extension. Enzyme Taq DNA polymerase is used to catalyses addition of DNA nucleotides at 3' end of primer thus causing extension of complementary strand on template DNA.

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