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Leona [35]
3 years ago
8

Which of the following best describes the biological role of the lac operon?

Biology
1 answer:
MatroZZZ [7]3 years ago
5 0

Answer:

D. It ensures that bacterial cells produce lactose only when no other food sources are available.

Explanation:

E. coli uses three enzymes to produce lactose. The genes for these three enzymes are found in lac operon.

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