A biomolecule is a substance required by the body that must be supplied by an outside source. During metabolism, energy can be extracted from dietary carbohydrates, proteins, lipids and can be used to create biomolecules required for life.

Question

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The first statement is incorrect because it defines a nutrient instead of a biomolecule. Note that with a nutrient, the substance must be supplied from an outside source, typically food. A biomolecule is any molecule that is produced by a living cell or organism, which would include carbohydrates, proteins, nucleic acids, and lipids.

A Biomolecule Is a Substance Required by the Body That