lipids - Lipids Fat, what good is it? Lipids Biomolecules...

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Unformatted text preview: Lipids Fat, what good is it? Lipids Biomolecules soluble in organic solvents Roles Nutritional Structural regulatory Types of Lipids Glycerol-based Sphingolipids Steroids Eicosanoids/leukotrienes Storage Lipids Fatty acids Saturated and Unsaturated Relationship to melting point Triacylglycerides Glycerol + 3 fatty acids Waxes Glycerol based fats CH 2 C H C H 2 OH OH O H Glycerol on the left Esterifies to 3 fatty acids Triacylglyerides Glycerol in blue Fatty acids in red Condensation produces 3 water molecules Very nonpolar excludes water Lipids in Membranes: Phospholipids Cholesterol Glycolipds: Sugar group attached Proteins: either integral or peripheral Sphingolipids Phosphoacylglycerols Glycerol esterified to 2 fatty acids. Third position is phosphate Other end of phosphate can combine with other molecules to form various derivatives amphipathic Phosphoacylglycerols CH 2 C H C H 2 O O O R1 O O R2 P O O O X Derivatives of Phosphoacylglycerols (PAG)...
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lipids - Lipids Fat, what good is it? Lipids Biomolecules...

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