Q: Which macromolecule’s use for energy is conserved by carbohydrates?
Correct: 0 / Attempted: 0
(A) Lipids
(B) Proteins
(C) Nucleic acids
(D) Minerals
Answer: (B) Proteins Explanation: Carbohydrates are the body’s preferred source of energy. When carbohydrates are available, they prevent the breakdown of proteins for energy, allowing proteins to perform their primary functions, such as tissue repair and enzyme production.
