11 - Micelles Group of molecules with polar and nonpolar...

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4/7/11 Exam review session 4/12 7-8pm WEL 1.316 Canola oil from Rape Seed Fatty Acids Primary fuel molecules in the fat category. Main use for long term energy storage. Higher level of every storage Fats- 38 kJ/g Carbs- 16kJ/g Difference is in part due to the large amount of water stored along with carbohydrates Metabolism of dietary triaglycerols Three primary sources of fatty acids Dietary triacyglycerols Triacyglycerols synthesized in the liver Triacyglycerols stored in fatty acids Fatty acids must be delivered to cells where beta-oxidation occurs Liver Heart Skeletal muscles Lipid metabolism in Animals digestion Fats are hydrophobic A system is needed for their absorption before they can be metabolized Lipases in stomach and saliva are not very effective Most fat ends up I duodenum as small globules Bile is used at this point to aid in further digestion.
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Unformatted text preview: Micelles Group of molecules with polar and nonpolar ends. Polar ends are on the outside in a water system. Bile salts act like. . Pancreatic Lipase Enzyme used in hydrolysis. LDL- loaded up with cholesterol HDL- loaded up with protein Fatty Acids blood transport Fatty acids are secreted from adipose cells and are transported in the blood complexed with serum Carnitine Transporter Beta Oxidation- 4 step process Common unsaturated Fatty Acids (both CIS)-Oleate-linoleate **likes TRANS double bonds as part of the overall structure what happens at each of the steps, not structure, know compounds the enzymes and what happens at each of the 4 steps of beta oxidation. **old exam has a good example! Take a look at learning objectives...
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This note was uploaded on 10/11/2011 for the course CH 301 taught by Professor Fakhreddine/lyon during the Spring '07 term at University of Texas at Austin.

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11 - Micelles Group of molecules with polar and nonpolar...

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