After DNA repair enzymes remove an incorrect nucleotide resulting from a replication error, ____ is/are needed to complete the repair.
A) primase, DNA polymerase, and DNA ligase
B) DNA polymerase
C) DNA polymerase and DNA ligase
D) primase and DNA ligase
E) primase and DNA polymerase

Question

Quizplus · Accepted Answer

DNA polymerase is needed to add the correct nucleotide in place of the incorrect one, and DNA ligase is required to seal the new nucleotide into the sugar-phosphate backbone, completing the repair process.

After DNA Repair Enzymes Remove an Incorrect Nucleotide Resulting from a Replication