Question

‘Operon model’ for gene regulation in bacteria
was proposed by
(a) Jacob and Monad(b) Barry Commoner
(c) Crick (d) Watson and Crick

Answer 1

Answer:

The operon model of prokaryotic gene regulation was proposed by Fancois Jacob and Jacques Monod. Groups of genes coding for related proteins are arranged in units known as operons. An operon consists of an operator, promoter, regulator, and structural genes.

Thus the answer is option A

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Answer 2

Answer:

‘Operon model’ for gene regulation in bacteria

was proposed by

(a) Jacob and Monad ✔✔

(b) Barry Commoner

(c) Crick

(d) Watson and Crick