In Which Type of Operon Does the Free Repressor Binds

Question

In which type of operon does the free repressor binds to the operator,turning off transcription?
A) Inducible operon
B) Repressible operon
C) Constitutive operon
D) Inducible operon and repressible operon
E) All of these are correct.

Accepted Answer

In an inducible operon, the free repressor binds to the operator, preventing transcription. When an inducer is present, it binds to the repressor, causing it to detach from the operator and allowing transcription to proceed.