Question

PCR (select one):
a. Is used to transcribe specific genes.
b. Amplifies specific DNA sequences.
c. None of these are correct.
d. Uses a DNA polymerase that denatures at 55 degrees Celsius.
e. Uses primers that are added only to one of the two template strands.

Answer 1

Answer: Option B) Amplifies specific DNA sequences.

Explanation:

Polymerase chain reaction (PCR) refers to the selective and repetitive duplication of a specific DNA sequence. It involves the following: heat, an enzyme called thermos aquaticus and annealing.