Home » Advanced Botany » Molecular Basis of Inheritance » Question
  1. In Escherichia coli, lac operon is induced by
    1. lactose
    2. promoter gene
    3. β -galactosidase
    4. I-gene
Correct Option: A

Lac operon is an inducible operon system which regulates genetic material. The genetic material remains switched off normally but becomes operational in the presence of inducer lactose.



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