Question

Yeast cells can carry out both fermentation and cellular respiration, depending on whether oxygen is present. In which case would you expect yeast cells to grow more rapidly? Explain your answer.

Answer 1

Because they can do aerobic cellular respiration, yeast would expand more quickly in the presence of oxygen. Fermentation (anaerobic respiration), in contrast to aerobic cellular respiration, only generates 2 ATP molecules.

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