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Protein classes and functions

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  • Enzymes


    Biological catalyst for reactions

  • Hormones


    Messengers regulating bodily functions

  • Storage proteins


    Store essential substances for immediate use

  • Transport Proteins


    Carry substances through blood and through cell membranes

  • Structural Proteins


    Support and maintain shape of cell

  • Protective proteins


    Provide defense against invaders and protect from injury

  • Contractile proteins


    do mechanical work (muscles)