Which type of organic molecule stores energy and forms the fats in the body?

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Multiple Choice

Which type of organic molecule stores energy and forms the fats in the body?

Explanation:
Lipids store energy and form fats in the body. They store energy as triglycerides, which are made of a glycerol backbone attached to three fatty acids and packed in adipose tissue for long-term energy and insulation. Lipids yield more energy per gram than other macromolecules, about 9 kcal per gram, making them ideal for sustained energy storage. By contrast, carbohydrates mainly provide quick energy and are stored as glycogen with much less energy per gram; proteins are used for building and enzymes rather than primary energy storage; nucleic acids store genetic information. That combination—high-energy storage and fat formation—belongs to lipids.

Lipids store energy and form fats in the body. They store energy as triglycerides, which are made of a glycerol backbone attached to three fatty acids and packed in adipose tissue for long-term energy and insulation. Lipids yield more energy per gram than other macromolecules, about 9 kcal per gram, making them ideal for sustained energy storage. By contrast, carbohydrates mainly provide quick energy and are stored as glycogen with much less energy per gram; proteins are used for building and enzymes rather than primary energy storage; nucleic acids store genetic information. That combination—high-energy storage and fat formation—belongs to lipids.

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