Question
Biology Question on Regulation of Gene Expression
Which enzyme/s will be produced in a cell in which there is a nonsense mutation in the lac Y gene ?
A
β-galactosidase
B
Lactose permease
C
Transacetylase
D
Lactose permease and transacetylase
Answer
β-galactosidase
Explanation
Solution
The correct option is (A): β-galactosidase.