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Unformatted text preview: : Proteins that cannot be easily separated from a bio-membrane; a component of the plasma membrane. Peripheral proteins: Proteins that can be easily removed from a biomembrane (e.g., by altering the pH or the ionic strength). Glycosylated proteins : Proteins that are bound covalently to a carbohydrate. Simple diffusion: The net movement of materials across a cell membrane from a higher concentration to a lower concentration. Facilitated diffusion: Diffusion of molecules across a cell membrane, assisted by protein pores or carriers embedded in the cell membrane. Active transport: The movement of molecules across a cell membrane, usually against a concentration gradient, through the use of cellular energy. Osmosis: The diffusion of water across a differentially permeable membrane from a higher water concentration to a lower water concentration....
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