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  • What Are Proteins? Definition, Types Examples - Cleveland Clinic
    People generally say “protein” (or “dietary protein”) when talking about nutrition and “proteins” when discussing the science of how the individual molecules work within your body Dietary protein is a crucial nutrient that keeps your body going
  • Protein - Wikipedia
    Proteins are large biomolecules and macromolecules that comprise one or more long chains of amino acid residues
  • Protein | Definition, Structure, Classification | Britannica
    A protein is a naturally occurring, extremely complex substance that consists of amino acid residues joined by peptide bonds Proteins are present in all living organisms and include many essential biological compounds such as enzymes, hormones, and antibodies
  • Protein - National Human Genome Research Institute
    A protein is made up of one or more long, folded chains of amino acids (each called a polypeptide), whose sequences are determined by the DNA sequence of the protein-encoding gene
  • PROTEINS Definition Meaning - Merriam-Webster
    : any of numerous substances that consist of chains of amino acids, contain the elements carbon, hydrogen, nitrogen, oxygen, and often sulfur, include many compounds (as enzymes and hormones) essential for life, and are supplied by various foods (as meat, milk, eggs, nuts, and beans)





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