Bacteria from hot springs greatly helped the development of PCR by
A) providing a salt solution.
B) providing a heat-tolerant DNA polymerase.
C) assisting the polymerase.
D) providing annealing factors.
E) providing a means by which to separate DNA strands.

Question

Quizplus · Accepted Answer

Bacteria from hot springs helped in the development of PCR by providing a heat-tolerant DNA polymerase known as Taq polymerase, which can withstand the high temperatures required for DNA denaturation during PCR amplification.

Bacteria from Hot Springs Greatly Helped the Development of PCR