A restriction enzyme cuts DNA into fragments
A)whenever the correct ligase is present.
B)only in laboratory conditions.
C)only in the organism that produces it.
D)when mixed with the DNA that contains the target DNA sequence.

Question

Quizplus · Accepted Answer

Restriction enzymes are specific to certain DNA sequences and will only cut DNA when they encounter that sequence. Therefore, they will only cut DNA when mixed with the DNA that contains the target DNA sequence.

A Restriction Enzyme Cuts DNA into Fragments