Q. $Taq$ polymerase enzyme used in PCR is isolated from

A) Thermus aquaticus
B) Thermococcus litoralis
C) Salmonelia typhimurium
D) None of the above
Explanation

Thermus aquaticus. DNA polymerase which is stable at high temperature (>90$℃$) is required to carry out the synthesis of new DNA. The DNA polymerase like Taq polymerase is generally used in PCR reactions which is isolated from a bacterium Thermus aquaticus

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.