Question

Regulation of lac operon by repressor is referred to as?

Answer 1

Answer: It is referred to as negative control.

Answer 2

The regulation of lac operon by repressor is referred to as "Negative regulation".

Extra Information :-

• The repressor of the operon is synthesised from the i gene.

• The repressor of the operon is synthesised all the time, constitutively.

• The repressor protein binds to the operon's operator region and prevents RNA polymerase from transcribing the operon.

• Regulation of lac operon can be visualised as regulation of enzyme synthesis by a substrate.