The Pasteur Effect Shows That Yeasts Consume Glucose at a Higher

question 42

Multiple Choice

The Pasteur effect shows that yeasts consume glucose at a higher rate under anaerobic conditions than under aerobic conditions. Which of the following statements correctly explains this observation?

• A) Yeasts are obligate anaerobes, so aerobic conditions will kill yeasts.
• B) Yeasts are photosynthetic, so they are able to produce their own oxygen.
• C) Less ATP is made under anaerobic conditions, so more glucose must be consumed to produce an equivalent amount of ATP.

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