What is one way that incorrect nucleotides are removed from a newly synthesized molecule of DNA?
A) Crossing over replaces regions with DNA errors with new segments of DNA.
B) DNA ligases both remove and replace incorrectly positioned nucleotides.
C) Any DNA strand with an error is destroyed, and an entire new strand is synthesized.
D) DNA polymerases remove incorrect nucleotides and replace them with correct ones.
E) DNA ligases remove incorrect nucleotides for replacement by DNA polymerases.

Question

Quizplus · Accepted Answer

DNA polymerases have proofreading ability, which allows them to remove incorrect nucleotides and replace them with the correct ones during DNA replication.

What Is One Way That Incorrect Nucleotides Are Removed from a Newly