Q. Assertion: Lactose acts as an inducer of lac operon. Reason: Lactose is the substrate for permease enzyme in lac operon.
A) Both assertion and reason are true and reason is the correct explanation of assertion.
B) Both assertion and reason are true but reason is not correct explanation of assertion.
C) Assertion is true, but reason is false.
D) Both assertion and reason are false.
Explanation
Lactose acts as an inducer of lac operator as it acts as the substrate for enzyme beta-galactosidase which hydrolyzes lactose into glucose and galactose.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.