Cathy placed a sample of yeast, a single-celled eukaryote, in a closed test tube containing a solution of glucose. How will the composition of the air in the test tube change as the yeast interacts with the glucose?
A) The oxygen level will increase.
B) The carbon dioxide level will decease.
C) The carbon dioxide level will increase.
D) The level of carbon dioxide and oxygen will remain the same.

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Pascalkings Pascalkings · Answer 1 · 2021-01-26T15:07:59+01:00

Answer:

The answer is C

Explanation:

In the presence of oxygen, yeast undergo aerobic respiration and convert carbohydrates (sugar source) into carbon dioxide and water.

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Larus Larus · Answer 2 · 2022-01-21T12:54:05+01:00

The level of carbon dioxide will increase.

• In the given case, yeast will go through the process of aerobic respiration and convert the glucose present into the usable energy form.

• The majority of the prokaryotes and eukaryotes utilize aerobic respiration to get the energy from glucose.

• In the process of aerobic respiration, the catabolism of glucose will occur, which will convert it into water, carbon dioxide, and energy.

• In the process, molecular oxygen is the ultimate electron acceptor.

• Therefore, in the given case, with the interaction of yeast with the glucose, the level of carbon dioxide in the test tube increases.

Thus, the correct answer is option C.

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