Nearly All Animals Rely on Three Main Classes of Molecule

question 153

Multiple Choice

Nearly all animals rely on three main classes of molecule as sources of energy and building blocks for growth and development. They are:

• A)carbohydrates, proteins, and amino acids.
• B)nucleic acids, carbohydrates, and lipids.
• C)proteins, fats, and carbohydrates.
• D)carbohydrates, sugars, and lipids.
• E)sugars, proteins, and fats.

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