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chem10 (after MT2)

chem10 (after MT2) - Biochemistry 22:03 DueFridaydec4 th...

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Biochemistry 22:03 Due Friday dec 4 th Final paper due de 2 nd Carbohydrates Carbon that is hydrated Cx (H2O)y Ketones, aldehydes, alcohols [-CH2OH] simple carbohydrates monosaccarides-single sugars, can’t be broken by H2O (hydrolyzed)
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                       glucose -galactose, fructose (simple sugars) aldoses-glucose, galactose, have aldehyde ketoses fructose, has ketone -most monosaccarides form rings with themselves disaccarides  2 sugars linked (complex  can be broken up with H2O)
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sucrose (table sugar) =glucose + fructose sucrose+H2O glucose+fructose lactose=glucose+galactose lactose+H2O glucose+galactose maltose (beer) =glucose+glucose complex carbs-many sugars linked poly saccarides-1000’s  polyglucose cellulose, starch cellulose plant structural fiber; cotton, wood; long linear, flat starch  plant energy storage can digest, can break           -link two kinds of plant starch  amylose and amylpectin 80% amylpectin (branched chains of glucose units) 20% amylose (linear;  glucose units joined in a continuous chain like beads on a string) animal starch-glycogen branches every 8-12 sugars
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more ends  more E fast runaway! Amylpectin branch 20-30 sugars Lipids not categorized by shape or monomer All lipids in soluble in H2O, soluble in nonpolar solv.  Fatty acids  long chain carboxylic acid Fat is an ester of fatty acids and trihydroxy alcohol glycerol Fats/triglycerides 3 fatty acids + glycerol Steroids cholesterol, hormones, anti inflammatory, cell signals Vitamins (some)  Fatty acids alkene/alkane chain+R-C-CH Usually even # of C CH3(CH2)16COOH  steric acid CH3CH2CH2COOH  butyric acid Usually 14-22 carbons
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Saturated fatty acids-all alkane, no C=C *find picture unsaturated fatty acid-have alkene, C=C linoleic acid sat’d fats line up well  high mp, from animals = = = = = = = = = unsat’d fat
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  • Spring '08
  • toupadakis
  • Carbohydrate, aromatic amino acid, bases1 amino acid, chain carboxylic acid, CH3CH2CH2COOH butyric acid

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