According to the Jacob-Mond (lac operon) model of gene regu…

Biology Molecular Basis of Inheritance Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 21, 2026

According to the Jacob-Mond (lac operon) model of gene regulation, inducer substances in bacterial cells probably

combine with operator regions, activating the associated operons.

combine with structural genes, stimulating them to synthesize messenger RNA.

combine with represser proteins, inactivating them.

combine with promoter regions, activating RNA polymerase.

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