Thursday, April 5, 2012
Glycolipid- consists of a carbohydrate chain and a lipid. They provide the cell with a self recognition marker.
Glycoprotein (or recognition protein)- consists of a carbohydrate chain and a protein. Serve as cell surface attachment sites.
Phospholipids- main structural component of the membrane, isolates the cell's cytoplasm from the exterior.
Cholesterol- lipid found embedded within the plasma membrane, makes the bilayer stronger and more flexible, makes the membrane less permeable.
Carbohydrate- may attach to parts of the membrane (forming glycolipids or glycoproteins) and can act as receptor sites.
Receptor Protein- molecular triggers that set off cellular responses when specific molecules in the extracellular fluid bind to them (have a binding site).
Transport Protein- carriers that use energy (ATP) to move substances across the membrane, either on it's own, or in a vesicle.
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