Which of the following mutations would make Lac operon regulation unresponsive to glucose levels.

a. A mutation in CRP that makes it unable to bind cAMP

b. A mutation in LacI that makes it unable to bind lactose

c. A mutation in LacI that makes it unable to bind glucose

d. A mutation in CRP that makes it unable to bind glucose

Question

Biology

Li

16 February, 14:43

Which of the following mutations would make Lac operon regulation unresponsive to glucose levels.

a. A mutation in CRP that makes it unable to bind cAMP

b. A mutation in LacI that makes it unable to bind lactose

c. A mutation in LacI that makes it unable to bind glucose

d. A mutation in CRP that makes it unable to bind glucose

+1

Answers (1)

Know the Answer?

Moises Sullivan · Answer 1

A

Explanation:

The lac (lactose) operon is made up of a group of genes that encodes for proteins that are responsible in converting lactose into glucose. The lac operon is found in bacteria such as E. coli, and it is made up of three structural genes:

lacZ lacY lacA