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proteins, plural;
  1. 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 such as muscle, hair, collagen, etc., and as enzymes and antibodies

  2. Such substances collectively, esp. as a dietary component
    • - a diet high in protein

  1. any of a large group of nitrogenous organic compounds that are essential constituents of living cells; consist of polymers of amino acids; essential in the diet of animals for growth and for repair of tissues; can be obtained from meat and eggs and milk and legumes; "a diet high in protein"
  2. Proteins (also known as polypeptides) are organic compounds made of amino acids arranged in a linear chain and folded into a globular form. The amino acids in a polymer are joined together by the peptide bonds between the carboxyl and amino groups of adjacent amino acid residues. ...
  3. Protein was a punk alternative, post-grunge metal band formed in 1994 in San Francisco, California.
  4. In nutrition, proteins are broken down in the stomach during digestion by enzymes known as proteases into smaller polypeptides to provide amino acids for the organism, including the essential amino acids that the organism cannot biosynthesize itself. ...
  5. (Protein s) Protein S is a vitamin K-dependent plasma glycoprotein synthesized in the endothelium. In the circulation, Protein S exists in two forms: a free form and a complex form bound to complement protein C4b. In humans, protein S is encoded by the PROS1 gene.
  6. (Proteins (journal)) Proteins : Structure, Function, and Bioinformatics is a monthly, peer reviewed, scientific journal, published by Wiley-Interscience, which was established in 1986 (Vol. 1, No. 1). The Editor in Chief is Dr. Bertrand Garcia-Moreno (Johns Hopkins University). ...
  7. Any of numerous large, complex naturally-produced molecules composed of one or more long chains of amino acids, in which the amino acid groups are held together by peptide bonds; One of three major classes of food or source of food energy (4 kcal/gram) abundant in animal-derived foods (ie: ...
  8. (Proteins) large molecules (macromolecules) composed of long chains of amino acids
  9. (proteins) Chains of amino acids linked by peptide bonds.
  10. (Proteins) complex chemical substances made of amino acids; proteins are essential constituents of all living cells.
  11. (Proteins) A group of complex organic macromolecules that are the basic building blocks of all living cells and are therefore essential in the diet of animals for the growth and repair of tissue.
  12. (Proteins) The "machines" of the cell, proteins are made up of long chains of amino acids.
  13. Proteins are the building blocks of muscle, enzymes, and sonic hor-mones. They are made up of amino acids and are essential for growth and repair in the body. A gram of protein contains four calories. Those from ani-mal sources contain the essential amino acids. ...
  14. (Proteins) Naturally occurring organic compounds essential to the structure and function of the body.
  15. (proteins) Compounds that are found throughout the body and serve many important functions. They are the main components of cells. Growth hormone and IGF-I are examples of proteins.
  16. (Proteins) are molecules made of amino acids. They are essential parts of organisms and take part in energy metabolism.
  17. (proteins) The basic chemicals that make up the structure of cells and direct their activities.
  18. (Proteins) (meat, fish, poultry, eggs, milk products, legumes, and nuts^[9])
  19. (Proteins) (originally meaning first thing when discovered in 1838 by Berzelius) are one of the primary constituents of living things and viruses, and as such as one of the chief classes of molecules studied in biochemistry. As enzymes, proteins are often considered the "machines of the cell. ...
  20. (Proteins) A class of food that plants produce. They are Condensation Polymers and constructed of many Amino Acids that are linked together.
  21. (Proteins) Any of numerous naturally occurring, extremely complex substances that consist of amino-acid residues joined by peptide bonds. Proteins include many essential biological compounds (as enzymes, morphogens, growth factors, structural proteins, hormones, or immunoglobulins).
  22. (Proteins) Body-building foods necessary for proper growth and strength. In this book they are called GROW foods.
  23. (Proteins) Fundamental constituents of milk whose functional properties determine its main technological features. Heterogeneous nitrogenated compounds that fall into two categories: caseins and whey proteins.
  24. (Proteins) Nitrogen-containing compounds, an excess of which cause a haze in beer.
  25. (Proteins) Product of genes.  Genes usually act by creating proteins which act as enzymes or which can be structural parts of cells.