DNA polymerase I and DNA polymerase III both have _____ activity, but only DNA polymerase I has _____ activity.
A)5'$\rightarrow$3' exonuclease; 3'$\rightarrow$5' exonuclease
B)5'$\rightarrow$ 3' polymerase; 3'$\rightarrow$5' polymerase
C)3'$\rightarrow$5' polymerase; 5'$\rightarrow$3' polymerase
D)3'$\rightarrow$5' exonuclease; 5'$\rightarrow$3' exonuclease
E)5'$\rightarrow$ 3'polymerase; 3'$\rightarrow$5' exonuclease

Question

Quizplus · Accepted Answer

DNA polymerase I and DNA polymerase III both have 3'→5' exonuclease activity, which is involved in proofreading. However, only DNA polymerase I has 5'→3' exonuclease activity, which is used for removing RNA primers during DNA replication.

DNA Polymerase I and DNA Polymerase III Both Have _____ →\rightarrow→

DNA Polymerase I and DNA Polymerase III Both Have _____ $\rightarrow$