THE GLYCOCALYX - Markers for cell-cell interactions...

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THE GLYCOCALYX The extracellular portion of the plasma membrane proteins are generally glycosylated. Likewise, the carbohydrate portions of glycolipids are exposed on the outer face of the plasma membrane. Consequently, the glycocalyx, is formed by the oligosaccharides of glycolipids and transmembrane glycoproteins. Role: Protection of cell surface
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Unformatted text preview: Markers for cell-cell interactions TRANSPORT ACROSS CELL MEMBRANES Membranes are selectively permeable --- small, uncharged molecules can diffuse freely through the phospholipid bilayer. O2, CO2 Also some small polar molecules H2O, ethanol and some small relatively hydrophobic molecules such as benzene....
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