SATHEE: Molecular Basis Of Inheritance Ques 44

Molecular Basis Of Inheritance Ques 44

44. In Escherichia coli, lac operon is induced by

(a) lactose

(b) promoter gene

(c) $\beta$-galactosidase

(d) I-gene

Show Answer

Answer : a

Hints & Solution

(a) Lac operon is an inducible operon system. Which remains switched off normally but becomes operational in the presence of inducer lactose.

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Molecular Basis Of Inheritance

Molecular Basis Of Inheritance Ques 44

44. In Escherichia coli, lac operon is induced by

Answer : a

Hints & Solution

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