How does DNA polymerase differ from RNA polymerase?
A)Only RNA polymerase adds new nucleotides to the 3' end of a growing chain.
B)Only RNA polymerase requires a primer.
C)Only DNA polymerase uses a template DNA strand to direct synthesis of a new nucleotide strand.
D)Only DNA polymerase has a proofreading ability.

Question

Quizplus · Accepted Answer

DNA polymerase has a proofreading ability, which allows it to check the accuracy of the newly synthesized DNA strand and correct any errors. RNA polymerase does not have this ability.

How Does DNA Polymerase Differ from RNA Polymerase