Q. Which of the following is known as molecular scissors of DNA?
A) Ligase
B) Polymerases
C) Restriction endonucleases
D) Transcriptase
Explanation
Restriction endonuclease was isolated for the first time by W Arber in 1962 in bacteria. They are called molecular scissors or biological scissors. In 1978 Arber, Smith and Nathan were awarded the Nobal Prize for the discovery of restriction endonuclease
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.