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lecture 26 - This sea lion has a heavy layer of fat Lipids...

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Lipids Lipids Chapter 26 This sea This sea lion has a lion has a heavy layer heavy layer of fat of fat Lipids Lipids: Lipids: a heterogeneous class of naturally occurring organic compounds classified together on the basis of common solubility properties they are insoluble in water but soluble in aprotic organic solvents, including diethyl ether, methylene chloride, and acetone Lipids Lipids Lipids include triglycerides, phospholipids, prostaglandins, prostacyclins, and fat - soluble vitamins, cholesterol, steroid hormones, and bile acids Triglycerides (Fats & Oils) (Fats & Oils) Triglyceride: Triglyceride: an ester of glycerol with three fatty acids Fatty Acids Fatty Acids Fatty acid: Fatty acid: a carboxylic acid derived from hydrolysis of animal fats, vegetable oils, or membrane phospholipids nearly all have an even number of carbon atoms, most between 12 and 20, in an unbranched chain the three most abundant are palmitic (16:0), stearic acid (18:0), and oleic acid (18:1)
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