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Juliette [100K]
3 years ago
10

When making wine, yeast is added to grape juice in a sealed container. As time passes, the yeast uses up all of the oxygen in th

e container, but continues to thrive and produce alcohol. This process is not a fast process; it takes considerable time. Explain how this happens.
A) The grapes undergo aerobic respiration until there is no more oxygen, then they ferment, creating alcohol.
B) Yeast can undergo aerobic or anaerobic respiration. When the food source is plentiful, it will undergo fermentation, producing alcohol and ATP.
C) Yeast can undergo both aerobic and anaerobic respiration, since both produce carbon dioxide as a byproduct, alcohol can be produced over long periods of time.
D) Yeast is a facultative anaerobe, meaning it can use oxygen for respiration, but then switch to anaerobic respiration when O2 is not present, undergoing fermentation, producing alcohol as a byproduct.
Biology
2 answers:
Aloiza [94]3 years ago
4 0

Answer: D) Yeast is a facultative anaerobe, meaning it can use oxygen for respiration, but then switch to anaerobic respiration when O2 is not present, undergoing fermentation, producing alcohol as a byproduct.

Explanation:

Tasya [4]3 years ago
3 0

Answer:

the answer is D

Explanation:

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