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NEET2023ZoologyMolecular Basis of InheritanceActual

Which one of the following acts as an inducer for lac operon?

Options

  1. AGlucose
  2. BGalactose
  3. CSucrose
  4. DLactose

Correct answer

D. Lactose

Step-by-step solution

Lactose acts as inducer of lac operon. Lactose binds with repressor protein and inactivates it allowing the expression of structural genes.

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