311C F09 L7OL - Lipids • Functions • Types – Triglycerides – Phospholipids – Steroids Triglycerides • Functions • Structure Fig 5-11a

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Unformatted text preview: Lipids • Functions • Types – Triglycerides – Phospholipids – Steroids Triglycerides • Functions • Structure Fig. 5-11a Fatty acid (palmitic acid) (a) Dehydration reaction in the synthesis of a fat Glycerol Triglycerides: Structure Fig. 5-11b (b) Fat molecule (triacylglycerol) Ester linkage Triglycerides: Structure Fig. 5-12a (a) Saturated fat Structural formula of a saturated fat molecule Stearic acid, a saturated fatty acid Saturated Fatty Acids Fig. 5-12b (b) Unsaturated fat Structural formula of an unsaturated fat molecule Oleic acid, an unsaturated fatty acid cis double bond causes bending Unsaturated Fatty Acids Hydrogenated Oils • Fully-hydrogenated oils • Partially-hydrogenated oils • Trans-fats Trans Fats Phospholipids • Functions • Structure Fig. 5-13 (b) Space-filling model (a) (c) Structural formula Phospholipid symbol Fatty acids Hydrophilic head Hydrophobic tails Choline Phosphate Glycerol Hydrophobic tails Hydrophilic head Phospholipid: Structure Phospholipid Bilayers Steroids • Functions • Structure Cholesterol Steroid Hormones CH 3 OH HO O CH 3 CH 3 OH Estradiol Testosterone Female lion Male lion Proteins Table 5-1...
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This note was uploaded on 11/01/2009 for the course BIO 311C taught by Professor Satasivian during the Fall '08 term at University of Texas at Austin.

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311C F09 L7OL - Lipids • Functions • Types – Triglycerides – Phospholipids – Steroids Triglycerides • Functions • Structure Fig 5-11a

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