Which of the following best describes the biological role of the lac operon?
1 answer:
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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Prokaryotic cell has undeveloped nucleus but eukaryotic cell has well developed nucleus.
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D ( distinct apical and basolateral ends of the cell)
Explanation:
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