Energy Release and Conservation
Aerobic respiration differs from anaerobic respiration in which of the following respects?

Aerobic respiration requires the electron transport chain
Aerobic respiration produces less ATP
Anaerobic respiration is glycolysis
The final electron acceptors are different

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Energy Release and Conservation
Which of the following best explains about the usefulness of the production of ethanol in yeast cells under anaerobic conditions?

Yeast would be unable to activate the enzymes of the Krebs cycle without ethanol
Ethanol keeps the electron transport system functioning
The process generates oxygen, which is required for glycolysis
The process regenerates NAD+, which is required for glycolysis

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