Question

a. Name the molecule ‘M’ that binds with the operator. 

b. Mention the consequences of such binding. 

c. What will prevent the binding of the molecule ‘M’ with the operator gene? Mention the event that follows.

Answer 1

a. M is the repressor. 

b. When repressor binds with the operator, transcription stops. 

c. An inducer prevents the binding of repressor to operator and starts transcription i.e., lactose here.