Class 12 NEET Biology Biotechnology Principles and Processes

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Question : 91 of 126

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The figure below shows three steps (A,B,C) of Polymerase Chain Reaction (PCR). Select the option giving correct identification together with what it represents?

(Mains 2012)

B− denaturation at a temperature of about 98∘C separating the two DNA strands
A - denaturation at a temperature of about 50∘C
C - extension in the presence of heat stable DNA polymerase
A - annealing with two sets of primers

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