Assertion: Lac operon is an inducible operon.\ Reason : Regulation of lac operon by repressor is re

Question

Assertion: Lac operon is an inducible operon.\ Reason : Regulation of lac operon by repressor is referred to as negative regulation.\

Professor PC Thomas Classes · Answer

(b) : An operon is a part of genetic material (or DNA) which acts as a single regulated unit having one or more structural genes, an operator gene, a promoter gene, a regulator gene, a repressor and inducer or corepressor (from outside). Lac operon is an inducible operon. An inducible operon system is a regulated unit of genetic material which is switched on in response to the presence of a chemical.