3/22/20111LipidsChapter 10Lipids: insoluble in water, extractable by organic solvents of low polarity (e.g. ether, chloroform)5 major physiological roles:1.energy storage (e.g. triacylglycerols)2.structural (membranes)3.Thermal and mechanical insulation4. Vitamins and hormones (e.g. vitamins A, D; steroids)5. solubilization of other lipids (e.g. bile acids)
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