EasyNEET 2026
+4 / -1
In the lac operon, the z gene codes for:
A
the repressor of lac operon
B
transacetylase
C
permease
D
β-galactosidase
Explanation
The lacZ gene encodes β-galactosidase, which hydrolyses lactose into glucose and galactose and also forms allolactose, the inducer of the lac operon.
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