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Leokris [45]
2 years ago
14

A student is setting up a model to study the carbon cycle and natural sources of carbon dioxide. They create a microenvironment

that contains soil, leaf debris, an earthworm, heterotrophic bacteria, and a sun lamp. What natural source of carbon dioxide and major metabolic process was left out of the model?.
Biology
1 answer:
Alex Ar [27]2 years ago
8 0

The natural source of carbon dioxide that was left out is the calcareous shells of organisms. The major metabolic process that was left out is respiration.

<h3>What is carbon dioxide?</h3>

Carbon dioxide is one of the gases that cycle around in the universe. It is an integral part of the carbon cycle. The carbon cycle is a model that depicts the movement of carbon in the ecosystem.

The natural source of carbon dioxide that was left out is the calcareous shells of organisms. The major metabolic process that was left out is respiration.

Learn more about carbon dioxide: brainly.com/question/3049557

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C name it as the source of information

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  • This result above makes the high tides as been little higher and low tides been little lower than normal.

Spring tides are known to be the deepest as oceans levels are highest in this kind of tide. The neap tides are known to be the shallowest.

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brainly.com/question/1133278

7 0
3 years ago
A plasmid that encodes resistance to ampicillin and tetracycline is digested with the restriction enzyme PstI, which cuts the pl
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Answer:

tetracycline

Explanation:

When the DNA insert is ligated in Pstl site, the ampicillin gene is disrupted while <em>tetracycline gene is still intact</em>.

- If the bacterial colony is growth in a medium with only ampicillin, only the cells that contains the plasmid with the insert will grow.

- If the bacterial colony is growth in a medium with only tetracycline, the cells which have incorporated the plasmid will survive. We cannot distinguish between cells with plasmid + insert and plasmid alone.

- If the bacterial colony is growth in a plate with ampicillin + tetracyclin, only the cells with the plasmid without the insert will grow.

Therefore, to ensure that the cells of a bacterial colony contains the plasmid, they have to be seeded in a plate with tetracycline.

4 0
3 years ago
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kaheart [24]

Answer:

Carbohydrates, proteins, and nucleic acids are built from small molecular units. The small molecular units are called monomers

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I'm not really sure if that was what you were looking for, but I remember learning this in biology. I'm sorry if this doesn't help.

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