Which of the following does coding of ẞ-galactosidase in lac operon ? (A) z-gene (B) a-gene (C) y-gene (D) i-gene

Question

Which of the following does coding of \(\beta\)-galactosidase in lac operon ?

(A) z-gene

(B) a-gene

(C) y-gene

(D) i-gene

Answer 1

Correct option is: (A) z-gene

The z gene codes for beta-galactosidase \((\beta-gal)\), which is primarily responsible for the hydrolysis of the disaccharide, lactose into its monomeric units, galactose and glucose.