Q. Which of the following has popularized the PCR (polymerase chain reaction)?
A) Easy availability of DNA template
B) Availability of synthetic primers
C) Availability of cheap deoxyribonucleotides
D) Availability of ‘Thermostable’ DNA polymerase
Explanation
Availability of thermostable DNA polymerase. 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
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.