DNA ligase
A) produces many copies of an unknown piece of DNA.
B) makes copies of a foreign gene for use in making recombinant DNA.
C) is used to produce DNA fingerprints of a crime scene suspect.
D) amplifies mitochondrial DNA sequences.
E) links two DNA molecules together.

Question

Quizplus · Accepted Answer

DNA ligase is an enzyme that facilitates the joining of DNA strands together by catalyzing the formation of a phosphodiester bond. It is commonly used in molecular biology to link two DNA molecules together, such as when inserting a piece of foreign DNA into a vector during cloning.

DNA Ligase