After a strand of DNA has been cut with restriction enzymes, the pieces are attached again by the action of
A) DNA ligases.
B) stop codons or sequences.
C) DNA polymerase.
D) plasmids.
E) primers.

Question

Quizplus · Accepted Answer

DNA ligases are enzymes that facilitate the joining of DNA strands together by catalyzing the formation of a phosphodiester bond, effectively "gluing" the DNA fragments back together after they have been cut by restriction enzymes.

After a Strand of DNA Has Been Cut with Restriction