Question

Restriction enzyme was discovered by

• A. Waksman
• B. Alexander Fleming
• C. Berg
• D. A. Werner, H. Smith and Nathans

Answer 1

Answer: (D)

The correct option is D A. Werner, H. Smith and Nathans
Restriction enzyme, type II, Hind II, from the bacterium Haemophilus influenzae were discovered and characterized in the late 1960s and early 1970s by the molecular biologists Werner Arber, Hamilton O. Smith, and Daniel Nathans.

Therefore, the correct answer is option D.