question_answer

Select the two correct statements out of the four (1-4), given below about lac operon :

1. Glucose or galactose may bind with the represser and inactivate it

2. In the absence of lactose the represser binds with the operator region

3. The z-gene codes for permease

4. This was elucidated by Francois Jacob and Jacque Monod

The correct statements are

A) 1 and 4

B) 2 and 3

C) 1 and 3

D) 2 and 4