Restriction enzymes
A) can cut only bacterial DNA.
B) separate the strands of DNA during PCR.
C) randomly cut DNA into small pieces.
D) produce single-stranded DNA fragments with ʺsticky ends.ʺ

Question

Quizplus · Accepted Answer

Restriction enzymes specifically cut DNA at known sequences, often leaving overhanging "sticky ends" that can easily pair with complementary sequences. This property is widely used in molecular biology, especially in cloning, to insert DNA fragments into vectors.

Restriction Enzymes