Which macromolecule provides a person with the highest amount of energy per mass?
A. lipids
B. carbohydrates
C. nucleic acids
D. proteins
Answer (2)
Lipids provide the highest amount of energy per mass, with about 9 calories per gram, compared to carbohydrates and proteins, which provide about 4 calories per gram each. This makes lipids essential for energy storage in organisms. Therefore, the correct answer is A. lipids.
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Lipids provide the highest amount of energy per mass among macromolecules, offering about 9 calories per gram, whereas carbohydrates and proteins provide about 4 calories per gram. This characteristic makes lipids essential for energy storage in organisms. Understanding the caloric content of these macromolecules is important in biology and nutrition. ;
