Question
Biology Question on recombinant technology
Taq polymerase is isolated from a
A
virus
B
bacterium
C
fungus
D
protozoan.
Answer
bacterium
Explanation
Solution
Taq polymerase is a thermally stable DNA polymerase which is used in polymerase chain reaction. It is obtained from a bacterium known as Thermus aquaticus. This enzyme remains stable at high temperatures (>90?C) and thus is used in PCR.