Why Are Fats a Better Source of Energy Than Carbohydrates

question 94

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 hydrogenbound 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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