What is the relationship between the z, y, and a genes in the lac operon?

What is the relationship between the z, y, and a genes in the lac operon?
  1. They code for unrelated proteins
  2. They are involved in different metabolic pathways
  3. They code for proteins that are needed together to function in the same or related metabolic pathways
  4. They are not involved in any metabolic pathways

Solution

The z, y, and a genes in the lac operon code for proteins that are needed together to function in lactose metabolism.

Asked in: NCERT

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