Which of the following statements is TRUE?

A) Proteins are the primary source of fuel for the human body.
B) Carbohydrates, lipids, and proteins all contain carbon, hydrogen, oxygen, and nitrogen.
C) Lipids are the only energy nutrient that is also considered a macronutrient.
D) Carbohydrates and proteins each provide 4 kcals per gram, while lipids provide 9 kcals per gram.


Ans: D) Carbohydrates and proteins each provide 4 kcals per gram, while lipids provide 9 kcals per gram.

Nutritional Science

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