Question

Lac-operon is related with _______
a) Lactose metabolism
b) Starch metabolism
c) Lipid metabolism
d) Protein metabolism

Answer 1

Lactose metabolism so I think this is right

Answer 2

Hello dear,

◆ Answer -
Lac-operon is related with *lactose metabolism*.

◆ Explanation -
Regulation of lactose metabolism by lac operon involves several enzymes -
(1) β-galactosidase splits lactose into glucose and galactose. Encoded by gene LacZ.
(2) lactose permease controls entry of glucose. Encoded by gene LacY.
(3) lactose transacetylase transports acetyl group. Encoded by gene LacA.


Hope this helps you..