1. Tardigrade
  2. Question
  3. Biology
  4. Select the molecule/s which cannot act as inducer in Lac operon.

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Q. Select the molecule/s which cannot act as inducer in Lac operon.

NTA AbhyasNTA Abhyas 2020Molecular Basis of Inheritance

Solution:

Lactose is the substrate for the enzyme $\beta $ -galactosidase (one of the key enzymes in Lac operon) and also regulates the switching on and off of the operon and therefore, act as the inducer.