Question

Whenn deprivted ofoxygen yeast cell obtain energy by fermentation producing co2

Answer 1

Answer:

Yeasts are facultative anaerobes that carry out aerobic respiration when oxygen is available, but switch to alcohol fermentation when deprived of oxygen. These yeasts are fungi that have enzymes that decarboxylate pyruvate. This releases carbon dioxide and forms a two-carbon compound called acetaldehyde. Acetaldehyde is given hydrogen atoms, reducing it to ethyl alcohol.

When deprived of oxygen, yeast cells obtain energy by fermentation, producing carbon dioxide, ATP, and ethyl alcohol.

The answer (b) is correct.

Explanation:

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