Which of the following statement is true regarding an enzyme DNA polymerase that catalyzes the elongation of complementary DNA strand?

Q. Which of the following statement is true regarding an enzyme DNA polymerase that catalyzes the elongation of complementary DNA strand?

A.            DNA polymerase III is a highly processive enzyme.

B.            DNA polymerase III possess 5′-3′ polymerase activity required for elongation.

C.            DNA polymerase III possess 3′-5′ exonuclease activity important for maintaining fidelity.

D.            All of the above

Answer: All of the above