DNA polymerase III
A)synthesizes primer.
B)removes primer.
C)joins Okazaki fragments.
D)unzips the DNA helix.
E)proofreads new DNA.

Question

Quizplus · Accepted Answer

DNA polymerase III is responsible for adding new nucleotides to the growing DNA strand during replication. This enzyme also has a proofreading ability to correct any errors made while adding nucleotides, ensuring that the new DNA strand is an accurate copy of the original. Therefore, the best choice from the given options is E, which states that DNA polymerase III proofreads new DNA.

DNA Polymerase III