Answer:
Lactose is the substrate for the enzyme beta-galactosidase and it regulates switching on and off of the operon. Hence is termed as inducer.
The lactose inactivates the represser by interaction with it, hence represser does not block the operator region. This allow RNA polymerase access to the promoter and transcription of lac mRNA.
You need to login to perform this action.
You will be redirected in
3 sec
