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