Question

    What are proteins chemically composed of?

    A Nitric acid Correct Answer Incorrect Answer
    B Sulfuric acid Correct Answer Incorrect Answer
    C Phosphoric acid Correct Answer Incorrect Answer
    D Amino acids Correct Answer Incorrect Answer

    Solution

    Proteins are made up of amino acids, which are organic compounds containing carbon, hydrogen, nitrogen, oxygen, and sometimes sulfur. These are essential for the structure and function of living organisms, including muscle building and enzyme activity.

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