Which of the following is required as inducer(s) for the expression of Lac operon?
glucose
galactose
lactose
lactose and galactose
The lac operon -
In lac operon, a polycistronic structural gene is regulated by a common promoter and regulatory genes.
- wherein
Such arrangements are very common in bacteria and is referred to as operon.
Option 1)
glucose
This is incorrect option
Option 2)
galactose
This is incorrect option
Option 3)
lactose
This is correct option
Option 4)
lactose and galactose
This is incorrect option