One characteristic of restriction enzymes is that they cut:
A)single-stranded DNA strands at specific sites.
B)double-stranded DNA strands at specific sites.
C)single-stranded DNA strands at random sites.
D)double-stranded DNA strands at random sites.
E)DNA fragments generated by gel electrophoresis.

Question

Quizplus · Accepted Answer

Restriction enzymes cut double-stranded DNA at specific recognition sites, which usually consist of a specific sequence of four to eight base pairs.

One Characteristic of Restriction Enzymes Is That They Cut