A) Watson and Crick
B) H.G. Khorana
C) Meselson and Stahl
D) Jacob and Monod
Correct Answer: D
Solution :
Jacob and Monod (1961) proposed a scheme for induction and repression of enzyme synthesis popularly known as Operon Model for which they were awarded Nobel prize in 1965 An Operon is a group of genes situated next to each other in the DNA that can be switched on or off in a unified manner.
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