Restriction enzymes
A) are used to extract DNA from human cells.
B) hold the two strands together in DNA molecules.
C) help initiate transcription.
D) cut DNA at specific sites.
E) splice DNA fragments together.

Question

Quizplus · Accepted Answer

Restriction enzymes are enzymes that cut DNA at specific sites, based on the recognition of a particular DNA sequence. They are widely used in genetic engineering to create recombinant DNA molecules, which can be used to study gene function or produce genetically modified organisms.

Restriction Enzymes