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The switching 'on' and 'off of the lac o...

The switching 'on' and 'off of the lac operon in prokaryotes is regulated by

A

Glucose

B

Galactose

C

Lactose

D

Fructose

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Lac operon is

Read the statements regarding the lac operon and choose the correct option. 1. An inducer regulates the switching on and off of lac operon. 2. Repressor protein dissociates from operator region and prevents RNA polymerase from transcribing the operon. 3. In the presence of lactose, the repressor is activated by interaction with lactose. 4. RNA polymerase has access to the promoter and transcription proceeds only when the repressor is inactivated.

The inducer for switching 'on' the lac operon in bacteria is :

The inducer for switching 'on' the lac operon in bacteria is

Lac operon is related with :

Assertion (A): Lactose is the substrate for the enzyme beta-galactosidase and it regulates switching on and off of the lac operon. Reason ( R): The lac operon consists of one regulatory gene and three structural genes.

The lac operon consists of

The lac operon is an example of :