Question

what is restriction enzyme?

Answer 1

A restriction enzyme or restriction endonuclease is an enzyme that cleaves DNA into fragments at or near specific recognition sites within the molecule known as restriction sites. ... These enzymes are routinely used for DNA modification in laboratories, and they are a vital tool in molecular cloning.

Answer 2

○These are the enzymes belonging to a larger class of enzymes called nucleases.

○they are of 2 types: 1.Exonuclease

2. Endonuclease

○First restriction endonuclease was Hind II