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    Explain the four major macromolecules found in a living organism and how they are used by a living organism.

    © BrainMass Inc. brainmass.com October 1, 2020, 8:37 pm ad1c9bdddf

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    The four major macromolecules are proteins, carbohydrates, lipids, and nucleic acids.

    Proteins are made up of amino acids. They have many functions in a cell. They form much of your skin, muscles, and hair, and act as enzymes, hormones, and receptors.

    Carbohydrates are sugars and starches. Organisms use carbohydrates for fuel (glucose is a carbohydrate). The basic building blocks of carbohydrates are monosaccharides, or ...

    Solution Summary

    The expert explains the four major macromolecules found in a living organism. How they are used by living organisms are determined.