Sept 22 - Biochem 423 Robert A. Orlando, Ph.D. MAJOR...

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Unformatted text preview: Biochem 423 Robert A. Orlando, Ph.D. MAJOR DIETARY CARBOHYDRATES Polysaccharide (glucose polymer) (glucose‐fructose) Disaccharides (galactose‐glucose) Monosaccharides NA+ DEPENDENT GLUCOSE TRANSPORTERS IN THE GUT 68 | P a g e Biochem 423 Robert A. Orlando, Ph.D. FACILITATIVE GLUCOSE TRANSPORTERS IN CELLS Type of Carbohydrate Transporter GLUT 1 GLUT 2 GLUT 3 GLUT 4 Tissue Location Human erythrocyte Liver Brain (neurons) Adipose tissue Skeletal muscle Heart muscle Intestine. Fructose transporter. GLUT 5 ATP PRODUCTION FROM GLUCOSE OXIDATION (GLYCOLYSIS) 69 | P a g e Biochem 423 Robert A. Orlando, Ph.D. DIETARY FATS 70 | P a g e Biochem 423 Robert A. Orlando, Ph.D. FATTY ACIDS TRANSPORT ACROSS THE PLASMA MEMBRANE PASSIVE DIFFUSION OR PROTEIN‐MEDIATED TRANSPORT (SHORT/MEDIUM VS LONG‐CHAIN FATTY ACIDS) Fatty acyl-CoA Synthetase Fatty Acid Binding Protein 71 | P a g e Biochem 423 Robert A. Orlando, Ph.D. FATE OF DIETARY FATTY ACIDS – ATP AND PRECURSOR X Only in plants (glyoxylate cycle) THE FIVE TYPES OF CHEMICAL REACTIONS IN A CELL REACTION OXIDATION‐REDUCTION GROUP TRANSFERS INTERNAL REARRANGEMENTS CONDENSATION REACTIONS DOUBLE BOND MODIFICATION ENZYME DEHYDROGENASES AND OXYGENASES (TRANSFER OF ELECTRONS AND HYDROGEN) TRANSFERASES ISOMERASES LIGASES (C‐C BOND FORMATION OR CLEAVAGE AND ELIMINATION OF WATER) LYASES (FORMATION OR REMOVAL OF C=C) 72 | P a g e ...
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This note was uploaded on 12/11/2010 for the course BIOC 423 taught by Professor Robert during the Fall '10 term at New Mexico.

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