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Unformatted text preview: Lipids ** Characteristically Greasy / Oily Substances ! ** Hydrophobic Substances ! ** Lipid is a Common (General) Term Used For : ** Fats ! ** Phospholipids ! ** Steroids (Sterols) ! Fats ** Function = ** One Gram of Fat Stores over 2 Times the Energy as One Gram of a Polysaccharide. ** 2 Basic Components = Glycerol + Fatty Acids ! ** Forms : Triglycerides . Fats Saturated Fats Unsaturated Phospholipids ** Biologically Very Important. ** Major Component of Cell Membranes. ** One Hydrophilic & One Hydrophobic End. Sterols ** Sterols All Have a Backbone of 4 Carbon Rings. ** Cholesterol is the Main Type in Animals. ** Cholesterol is Modified to Form Estrogen, Testosterone & Vitamin D. 36...
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- Spring '09