Class 12th Biology 2017 Set2 Delhi Board Paper Solution

Question 17

Explain the role(s) of the following in biotechnology.

(a) Restriction endonuclease

Answer

Restriction endonuclease:

Restriction enzymes are molecular scissors used in molecular biology for cutting DNA sequences from a specific site.

These enzymes are used to form recombinant molecules of DNA, composed of DNA from different sources.