- A Taq polymerase
- B the DNA ligase used
- C only a restriction
- D a helicase enzyme
Correct answer: A. Taq polymerase
Explanation: Thermostable Taq polymerase extends primers in PCR.
Concept context
Recombinant DNA, GMOs, PCR, CRISPR, and biotechnology applications. Growing importance in NEET.
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