Biotechnology- Principles and Processes Question 54
54. Which one is a true statement regarding DNA polymerase used in PCR
[2012]
(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
(d) It remains active at high temperature
Show Answer
Answer : d
Hints & Solutions
(d) The name of DNA polymerase used in PCR is Taq DNA polymerase extracted from a thermophilic bacteria. It is a relatively thermostable enzyme which is used in PCR during denaturation, which requires high temperature.
