question_answer

Select the two correct statements out of the four (a-d) given below about lac operon.

[a] Glucose or galactose may bind with the represser and inactivate it

[b] In the absence of lactose the represser binds with the operator region

[c] The z-gene codes for permease

[d] This was elucidated by Francois Jacob and Jacque Monod

The correct statements are:

A)  [b] and [c]   

B)  [a] and [c]

C)  [b] and [d]   

D)  [a] and [b]