student%20notes%20lec%2019%20F08

student%20notes%20lec%2019%20F08 - CHM 11500 Lecture 19...

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1 CHM 11500 Lecture 19 Reading: : Biochemistry Interchapter, pp 530-544; page 506, carbohydrates only
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2 Chemistry and Biochemistry Where we’ve been: ionic and covalent bonding molecular shape intermolecular forces Where we’re going: How bonding and IMF’s determine shape How shape determines biological function amino acids / proteins / nucleic acids
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3 Lipids: fats Flipped structure Fats are esters of ______________________ CH 2 (OH)CH 2 (OH)CH 2 (OH)
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4 Metabolic studies have shown that trans fats have adverse effects on blood lipid ________________________________________________________________ _____________________________________ This combined effect on the ratio of LDL to HDL cholesterol is double that of saturated fatty acids. Stearic acid (saturated)
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5 Zero calorie fat: Olestra Glycerine Stearic acid Sucrose
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6 Carbohydrates Carbohydrates are the _______________ organic compounds found in living organisms. They originate as products of _____________ an endothermic condensation of ________________ requiring light energy and catalyzed by the pigment__________________. n CO 2 + n H 2 O + energy --> C n H 2n O n + n O 2
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7 Carbohydrates Carbohydrates are found as Sugars Starches Structural material (cellulose), a component of ATP, recognition sites on cell surfaces, One of three essential components of DNA and RNA
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This note was uploaded on 01/20/2009 for the course CHM 115 taught by Professor Towns during the Fall '08 term at Purdue University-West Lafayette.

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student%20notes%20lec%2019%20F08 - CHM 11500 Lecture 19...

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