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Why do fats provide a little more than twice as many calories per gram as compared to carbs or proteins?

2007-11-04 07:44:23 · 1 answers · asked by Strawberries 2 in Science & Mathematics ➔ Biology

1 answers

Fat is mostly carbon and hydrogen, and is highly reduced. Carbohydrate and protein contain oxygen and nitrogen which do not yield much energy. The source of energy is from the carbon chain.

2007-11-04 08:53:04 · answer #1 · answered by OKIM IM 7 · 0⤊ 0⤋

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