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4 Cards in this Set
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3 points about fatty acid oxidation |
• About 1/3 of our energy needs comes from dietarytriacylglycerols • About 80% of energy needs of mammalian heart andliver are met by oxidation of fatty acids • Many hibernating animals rely almost exclusively onfats as their source of energy |
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Difference between glucose and fatty acids as an energy source |
• Glucose and glycogen are for short-term energy needs, quickdelivery • Fats are for long-term (months) energy needs, good storage,slow delivery |
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Definition of lipid |
Carbon-containing compounds that arefound in organisms and that are largelynonpolar + hydrophobic. |
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Structure of lipids |
• Lipids have a major hydrocarbon componentcalled a fatty acid. A fatty acid is a hydrocarbonchain bonded to a carboxyl (COOH) functionalgroup |
