Biochemistry · Molecular Biology and Genetics

Gene regulation and lac operon

5 min read

Quick Orientation

Section

Definition

Objective
Understand the core idea
Keywords
Gene regulation, positive, negative

Gene Regulation: General Concepts

Objective
Track activators, inhibitors and feedback
Keywords
constitutive, inducible, One cistron-one subunit

Structure of Lac Operon

Objective
See how the components fit together
Keywords
polycistronic mRNA

Repression and Derepression of Lac Operon

Objective
Learn the main facts and relationships
Keywords
allolactose, Gratuitous inducers, IPTG

Catabolite Gene Activator Protein and Positive Regulation

Objective
Track activators, inhibitors and feedback
Keywords
catabolite gene activator protein (CAP), cAMP, positive regulator

Clinical Correlation

Objective
Connect the mechanism to clinical findings
Keywords
allolactose

Definition