Which of the following possesses both 5′-3′ and 3′-5′ exonuclease activity?

Q. Which of the following possesses both 5′-3′ and 3′-5′ exonuclease activity?

A.            Kornberg enzyme

B.            DNA polymerase III

C.            Taq DNA polymerase

D.            None of these

Answer: Kornberg enzyme