Lecture 9 - Lecture 9 Lipids, Membranes and First Cells...

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Lecture 9 Lipids, Membranes and First Cells Chapter 6
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Topics •Fats and Oils - Triglycerides, Saturated and Unsaturated Fatty Acids •Phospholipids - Characteristics, Amphipathic molecule Constituent of lipid bilayer •Carotenoids - Pigments •Steroids - Cholesterol, Hormones •Vitamins and Waxes
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Lipids Lipids are nonpolar hydrocarbons: Fats and oils energy storage Phospholipids cell membranes Carotenoids Steroids Fats serve as insulation in animals, lipid nerve coatings act as electrical insulation, oils and waxes repel water, prevent drying.
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Fats and Oils Fats and oils are triglycerides simple lipids made of three fatty acids and 1 glycerol. Glycerol: 3 OH groups an alcohol Fatty acid: nonpolar hydrocarbon with a polar carboxyl group carboxyl bonds with hydroxyls of glycerol in an ester linkage .
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Fats and Oil/ Triglyceride Synthesis of a Triglyceride
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Fats and Oils/Triglycerides/ Sat and Unsat FA Saturated fatty acids : no double bonds between carbons
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This note was uploaded on 11/18/2011 for the course BIO 101 taught by Professor Professor during the Spring '11 term at University of California, Berkeley.

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Lecture 9 - Lecture 9 Lipids, Membranes and First Cells...

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