alleryEnergy yield per gram of fat vs carbohydrate during respiration is
AAbout one tenth for fat per gram
BAbout twice as much for fat per gram
CAbout half as much for fat per gram
DIdentical for both per gram of substrate
Answer & Solution
Correct answer: B. About twice as much for fat per gram
Fats are highly reduced (more H per C) so yield about 9 kcal/g, compared to about 4 kcal/g for carbohydrates and proteins.
This is why fats are an efficient long-term energy store in animals and seeds.
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