As DNA Polymerase Synthesizes a New DNA Strand,it Can ____

Question

As DNA polymerase synthesizes a new DNA strand,it can ____.
A) detect an incorrect nucleotide
B) not detect an incorrect nucleotide
C) induce apoptosis when it detects a mistake in DNA synthesis
D) induce senescence when it detects a mistake in DNA synthesis
E) immediately stop the cell cycle

Accepted Answer

DNA polymerase has a proofreading function that allows it to detect and correct errors as it synthesizes a new DNA strand. If it encounters an incorrect nucleotide, it can remove it and replace it with the correct one.