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Question: 1 / 400

Select the function of proteins

Provides energy

Structural components of cells

Proteins are involved in various functions within an organism. While it is true that proteins can provide energy, this is not considered their main function. Carbohydrates and fats are more efficient sources of energy than proteins. Additionally, while some proteins can act as enzymes in metabolic reactions, the main function of proteins is not to regulate metabolism. Carrier molecules primarily refer to lipoproteins, which transport cholesterol and other molecules in the blood. While some proteins may have carrier functions, this is not their main function. The main function of proteins is to serve as structural components of cells. Proteins make up various structures within cells, such as the cytoskeleton, and help maintain the overall shape and function of cells. Therefore, the correct answer is B Structural components of cells.

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Carrier molecules

Regulation of metabolism

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