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Biology · Principles and Processes in Biotechnology

हिन्दी

Which of the following enzymes remains active during the high temperature induced denaturation step of Polymerase Chain Reaction (PCR)?

  1. DNA ligase from \( \text{E. coli} \)
  2. Taq polymerase from \( \text{Thermus aquaticus} \)
  3. Reverse transcriptase from retrovirus
  4. Exonuclease III from yeast

Correct answer · Option 2

Taq polymerase from \( \text{Thermus aquaticus} \)

Explanation

Taq polymerase is a thermostable DNA polymerase isolated from the bacterium \( \text{Thermus aquaticus} \) that resists denaturation at high temperatures.
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