BIOL 1000 Lecture Notes - Lecture 16: Glycerophospholipid, Lipid Bilayer, Ester
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Document Summary
The chemical composition of membranes together in a thin sheet by non-covalent bonds. Membranes are lipid-protein assemblies in which the components are held. The plasma membrane is described as the fluid-mosaic model of membrane. Core of the membrane consists of a sheet of lipid arranged in a bimolecular layer. Lipid bilayer serves primarily as a structural backbone of the membrane and provides the barrier that prevents random movements of water-soluble material into and out of the cells. The proteins carry out most of the specific functions. The ratio of lipid to protein in a membrane varies, depending on the type of. Membrane lipids cellular membrane, the type of organism and type of cell. Membranes contain a wide variety of lipids, all of them are amphipathic (they contain both hydrophilic and hydrophobic regions) There are three main type of membrane lipids: phosphoglycerides, sphingolipids and cholesterol. Phosphoglycerides; most membrane lipids contain a phosphate group, which makes them phospholipids.
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