MCQ
Enzyme required for polymerase chain reaction (PCR) is:
- ARNA polymerase
- BRibonuclease
- CTaq polymerase
- DEndonuclease
✓
Answer
- Taq polymerase
Explanation:
Like DNA replication in an organism, PCR requires a DNA polymerase enzyme that makes new strands of DNA, using existing strands as templates. The DNA polymerase typically used in PCR is called Taq polymerase, after the heat - tolerant bacterium from which it was isolated Thermus aquaticus.
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