Moderate

The enzyme used in PCR to synthesize DNA is

Correct answer: B. Taq polymerase

  • A. DNA polymerase I
  • B. Taq polymerase
  • C. RNA polymerase
  • D. Reverse transcriptase

Explanation

Taq polymerase (from Thermus aquaticus) is heat-stable and used in PCR to withstand denaturation temperatures.

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