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STD 12 - 9. biotechnology principlas and process — Biology STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceBiologySTD 12 - 9. biotechnology principlas and process1 Mark
MCQ
Which one is a true statement regarding $DNA$ polymerase used in $PCR$?
  • A
    It is used to ligate introduced $DNA$ in recipient cell
  • B
    It serves as a selectable marker
  • C
    It is isolated from a virus
  • ✓
    It remains active at high temperature
✓

Answer

Correct option: D.
It remains active at high temperature
d
$DNA$ polymerase remains active at high temperature. Usually Taq $DNA$ polymerase, isolated from a thermophilic bacterium Thermus aquaticus, is used in most of the cases

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