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    what is proptains

    0  Views: 368 Answers: 1 Posted: 14 years ago

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      1. proteinsplural of pro·tein



        Noun: Any of a class of nitrogenous organic compounds that consist of large molecules composed of one or more long chains of amino acids and are an essential part of all living organisms, esp. as structural components of body tissues, and as enzymes and antibodies.  More »



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