Why Are Fats a Better Source of Energy Than Carbohydrates

question 21

Multiple Choice

Why are fats a better source of energy than carbohydrates on a per carbon basis?

• A) Fats are comprised of other atoms besides carbon and oxygen that increase its ATP yield.
• B) Fats have more hydrogen bond in its fatty acid chains, which allows them to react more with oxygen.
• C) Fats do not completely break down, and the by-products increase ATP yield.
• D) Fats require fewer reactions with oxygen to completely break down, thus increasing its ATP yield.
• E) Fats require more reactions with oxygen to completely break down.

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