A pound of butter contains more usable energy | vedclass

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(B) Butter is primarily composed of fats (lipids),while sugar is a carbohydrate.Fats are more energy-dense than carbohydrates because they are more re

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$A$ fat molecule has more carbon-hydrogen bonds than a sugar molecule

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(B) Butter is primarily composed of fats (lipids),while sugar is a carbohydrate.Fats are more energy-dense than carbohydrates because they are more reduced.$A$ fat molecule contains a higher ratio of carbon-hydrogen $(C-H)$ bonds compared to oxygen-hydrogen $(O-H)$ bonds than a sugar molecule.During cellular respiration,the oxidation of these $C-H$ bonds releases significantly more energy per unit mass compared to the oxidation of carbohydrates.

$A$ pound of butter contains more usable energy than a pound of sugar for a human because

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