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KVPY Sample Paper KVPY Stream-SX Model Paper-9

  • question_answer
    The correct order of step in Polymerase Chain Reaction (PCR) is :

    A) Denaturation. Extension, Annealing

    B) Annealing, Extension* Denaturation

    C) Extension, Denaturation, Annealing

    D)  Deruturation, Annealing, Extension

    Correct Answer: D

    Solution :

    This technique is used for making multiple copies of (or DNA) of interest in vitro. Each cycle has three steps: (i) Denaturation (ii) primer annealing (iii) Extension of primer.


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