Question

__________ yield about 4 kcal/g when completely oxidized, whereas __________ yield about 9 kcal/g.
A. Proteins and carbohydrates; fats
B. Proteins; fats and carbohydrates
C. Fats; carbohydrates and proteins
D. Carbohydrates; fats and proteins
E. Carbohydrates and fats; proteins

Answer

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