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L8) Protein classes & their functions

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Terms in this set (8)

  • Enzymes

    catalyze (speed up) biochemical reactions

    • Biological catalysts

  • Hormones

    Messengers that regulate bodily functions

    • EX: Insulin --> regulates glucose metabolism

  • Storage proteins

    store essential substances for immediate availability.

    • EX: Casein --> major protein in milk for baby mammal development

  • Transport proteins

    carry substances through blood & through the cell membranes

    • EX: Hemoglobin --> transports O2 in the blood

  • Structural proteins

    supports & maintains the shape of a cell

    • EX: collagen --> support for bones & teeth

  • Protective proteins

    Provides defense against invaders & protects from injury

    • EX: Antibodies --> recognizes foreign substances

  • Contractile proteins

    Does the mechanical work

    • EX: Actin & myosin --> found in muscles

  • Chaperone proteins

    helps other proteins fold in the cell