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Llana [10]
2 years ago
12

Which two macromolecules are the main sources of energy?

Biology
1 answer:
Leya [2.2K]2 years ago
3 0

Answer:

Lipids (fats) and carbohydrates

Explanation:

Carbohydrates can be directly broken into glucose for use in cellular respiration. Lipids are used to store energy for extended periods of time. Proteins can be used for energy, but are not as efficient or quick as the previously mentioned macromolecules.

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