Proteins are a type of nitrogenous organic compound that are formed from long chains of amino acids. These macromolecules contain a variety of elements, including oxygen, hydrogen, carbon, nitrogen and sulfur.
Beyond that simple definition, proteins are highly important in the body, as they carry out a variety of vital functions. Proteins as antibodies protect our bodies from viruses and harmful forms of bacteria. As enzymes, proteins complete nearly all of the body's chemical reactions and als
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