Aug 27 - Biochem 423 Robert A. Orlando, Ph.D. STRUCTURES...

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Unformatted text preview: Biochem 423 Robert A. Orlando, Ph.D. STRUCTURES AND PROPERTIES OF BIOLOGICAL MOLECULES MAIN MOLECULES WE WILL ADDRESS AND THEIR FUNCTIONS Nucleic acids DNA RNA co‐factors Electron carriers Energy carriers 17 | P a g e Biochem 423 Robert A. Orlando, Ph.D. CARBOHYDRATES ALDOSE (ALDEHYDE) KETOSE (KETONE) 3 carbons = triose 4 carbons = tetrose 5 carbons = pentose 6 carbons = hexose 18 | P a g e Biochem 423 Robert A. Orlando, Ph.D. CYCLIC FORMS OF GLUCOSE – (‐ AND ‐ ISOMERS) Cyclic form = most prevalent form in body ‐D‐glucose ‐D‐glucose 19 | P a g e Biochem 423 Robert A. Orlando, Ph.D. CYCLIC FORMS OF FRUCTOSE – (‐ AND ‐ ISOMERS) ‐D‐fructose ‐D‐fructose DISACCHARIDE FORMATION (GLUCOSE‐GLUCOSE = MALTOSE) 20 | P a g e Biochem 423 Robert A. Orlando, Ph.D. OTHER IMPORTANT DIETARY SUGARS (LACTOSE & SUCROSE) 21 | P a g e Biochem 423 Robert A. Orlando, Ph.D. STARCH 1→4 POLYMER WITH 1→6 BRANCHES EVERY 24‐30 RESIDUES GLYCOGEN 1→4 POLYMER WITH 1→6 BRANCHES EVERY 8‐12 RESIDUES 22 | P a g e Biochem 423 Robert A. Orlando, Ph.D. LIPIDS – NOMENCLATURE 23 | P a g e ...
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