Question

Which of the following is not a protein made by the lac operon?

(A) Lactase
(B) Beta-galactosidase
(C) Permease
(D) Transacetylase

Answer 1

Lactase

Step-by-step explanation:

Lac operon (lactose) is degraded to glucose and galactose by three enzymes :beta galactosidase, galactoside permease and thiogalactosidase transacetylase.