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MHT-CET · Molecular Basis of Inheritance (Class 12) · Quiz

Molecular Basis of Inheritance (Class 12) — quick quiz

3 MHT-CET-pattern questions on Molecular Basis of Inheritance (Class 12). Instant scoring and solutions, no signup — see where you stand in a few minutes.

Question 1 of 3

Hard

In the lac operon system of E. coli, when lactose is present and glucose is absent, which of the following correctly describes the status of the operon?