Question

When was the operation mechanism of a bacterial operon first elucidated?

• A. 1961
• B. 1971
• C. 1981
• D. 1991

Answer 1

Answer:

A. 1961

• The mechanism by which all the genes of an operon operate, was first elucidated in 1961 by Francois Jacob and Jacques Monod of the Pasteur Institute in Paris.

• An operon consists of structural genes, a promoter region, an operator region and a regulator gene.