The Extraordinary Accuracy of the DNA Polymerase III Enzyme Lies

Multiple Choice

The extraordinary accuracy of the DNA polymerase III enzyme lies in its ability to "proofread" newly synthesized DNA, a function of the enzyme's __________.

A) 3′-to-5′ exonuclease activity
B) 5′-to-3′ exonuclease activity
C) 3′-to-5′ polymerase activity
D) 5′-to-3′ polymerase activity
E) 3′-to-5′ helicase activity