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Which of the following steps are catalysed by Taq DNA polymerase in a PCR reaction?

Options

  1. ADenaturation of template DNA
  2. BAnnealing of primers to template DNA
  3. CExtension of primer end on the template DNA
  4. DAll of the above

Correct answer

C. Extension of primer end on the template DNA

Step-by-step solution

The enzyme extends the primers using the nucleotides provided in the reaction and the genomic DNA as template.

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