Answer: Carbohydrates
Explanation: Carbohydrates—Organic Compounds
Organisms use carbohydrates as energy sources, structural units, and for other purposes. Carbohydrates are the largest class of organic compounds found in organisms.
What are the 4 classes of organic molecules and their functions?
There are four major classes of biological macromolecules (carbohydrates, lipids, proteins, and nucleic acids); each is an important cell component and performs a wide array of functions. Combined, these molecules make up the majority of a cell's dry mass (recall that water makes up the majority of its complete mass).
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