All of the following statements are true about restriction enzymes EXCEPT
A)they are made by bacteria and viruses.
B)hundreds of different ones have been isolated and purified.
C)they produce single-stranded complementary ends that can join to two different DNA strands by complementary base-pairing.
D)each enzyme cuts DNA at a different specific base sequence.

Question

Quizplus · Accepted Answer

Restriction enzymes are produced by bacteria, not viruses. They serve as a defense mechanism against viral DNA.

All of the Following Statements Are True About Restriction Enzymes