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Lina20 [59]
3 years ago
13

What happens to E. coli when lactose is not present?

Biology
2 answers:
victus00 [196]3 years ago
5 0
The correct answer is b
lakkis [162]3 years ago
4 0

<h3>The answer is B.</h3>

<em>The genes that produce the enzymes needed to break down lactose are not expressed.</em>

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N2 + 3H2 → 2NH3 in this equation How many moles of NH3 can be made if 7.5 moles of H2 react with enough N2
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Answer:

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Explanation:

Given data:

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Solution:

Chemical equation:

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Now we will compare the moles of ammonia with hydrogen.

             H₂              :           NH₃

              3               :             2

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