Question

32. Lac operon represents?
(A) Inducible gene system
(C) Housekeeping gene system
(B) Repressible gene system
(D) All of these

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Answer 1

Answer:

D all of these

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Answer 2

Answer:

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

So the answer is option D.

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