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Let's review. Phospholipids are a type of lipid-one of the four main classes of molecules that make up living things. Phospholipids serve a very important function by surrounding and protecting internal cell components.
Phospholipids are a class of lipids and are a major component of all cell membranes as they can form lipid bi-layers. Phospholipids are a type of large group of organic compounds called âLipidsâ.Lipids are a broad group of naturally occurring molecules with fats, waxes, fat-soluble vitamins (such as vitamins A, D, E and K), phospholipids and others.n water based solution, the phospholipids automatically arrange themselves into a double layer, or as a âphospholipid bi layerâ. The fatty acids, which repel water, are found in the middle of the bi layer.