Roles of surface membranes

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  • Roles of surface membranes
    • Separates the cell from its external environment
    • Controls the entry/exit of molecules
    • Receptor for Neurotransmitters and hormones,
    • Cell to cell attachments
    • Allows active transport using carrier proteins
    • Phospolipid bilayer allows and prevents the passage of certain molecules
    • Allows diffusion of molecules
    • Cell surface antigens
    • Pinocytosis
    • Exocytosis
    • Phagocytosis
    • Endocytosis


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