110A_07 Lipids - Lipid s Functions of lipids 1 Energy storage Fats and oils 1 Structural components of membranes Phospholipids and Sterols 1

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Unformatted text preview: Lipid s Functions of lipids 1. Energy storage Fats and oils 1. Structural components of membranes Phospholipids and Sterols 1. Signaling molecules Steroids and many others Adipocyte (fat cell) with large lipid droplet nucleus lipid droplet Lard (animal fat) Fats and oils Triacylglycerols Saturated fats Unsaturated fats Fats and oils Triacylglycerols Glycerol and fatty acids are the building blocks. Fatty acids are typically 16 or 18 carbons long, but can range from 14 to 26 carbons. Nearly all naturally occurring unsaturated fatty acids have cis double bonds. Hydrogens are on same side of the planar double bond. Trans-Fat Partial chemical hydrogenation generates trans double bonds A detergent micelle formed from free fatty acids Image: Graham T. Johnson/fivth.com Membranes Membranes Image: Wataru Shinoda/Research Institute for Computational Sciences Simulation of a vesicle interacting with a lipid bilayer (lipid head groups in green and blue, tails in cyan) 20 µm...
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This note was uploaded on 11/12/2010 for the course BSCI BSCI 110A taught by Professor Zwiebel during the Fall '09 term at Vanderbilt.

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110A_07 Lipids - Lipid s Functions of lipids 1 Energy storage Fats and oils 1 Structural components of membranes Phospholipids and Sterols 1

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