NEET 2021 Model Test Paper 4
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Question : 127 of 180
Marks:
+1,
-0
Find out the correct statements from the followings:-
(a) In lac-operon, polycistronic structural gene is regulated by a common promoter and regulatory gene
(b) In lac-operon one regulatory gene (the i gene) is present, here the term i refers to the inducer
(c) Lactose is the substrate for the enzyme beta–galactosidase.
(d) The y-gene of lac–operon codes for transacetylase
(e) The z-gene codes for beta-galactosidase
(a) In lac-operon, polycistronic structural gene is regulated by a common promoter and regulatory gene
(b) In lac-operon one regulatory gene (the i gene) is present, here the term i refers to the inducer
(c) Lactose is the substrate for the enzyme beta–galactosidase.
(d) The y-gene of lac–operon codes for transacetylase
(e) The z-gene codes for beta-galactosidase
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