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NEET2003ZoologyMolecular Basis of InheritanceActual

What does "lac" refer to in what we call the lac operon?

Options

  1. Alactose
  2. Blactase
  3. Clac insect
  4. Dthe number 1,00,000

Correct answer

A. lactose

Step-by-step solution

The lactose operon (lac operon) is an operon required for the transport and metabolism of lactose in E. coli and many other enteric bacteria. The gene product of lacZ is -galactosidase which cleaves lactose, a disaccharide, into glucose and galactose.

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