NEET | 2016Molecular Basis of InheritanceHard
Question
Which of the following is required as inducer(s) for the expression of Lac operon?
Options
A.
Glucose
B.
Galactose
C.
Lactose
D.
Lactose and galactose
Solution
Lac operon becomes active only after inducing lactose as it is a substrate for the enzyme beta-galactosidase and it also regulates the switching on and off of the operon which cannot be done by glucose and galactose.
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