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Review 3

Review 3. C483 Spring 2013. Net outcomes of. Oxidative phosphorylation (shuttles) Fatty acid catabolism Nitrogen catabolism Light reactions of photosynthesis Calvin cycle. Structures to know. All amino acids ( deoxy ) ribonucleosides and ( deoxy ) ribonucleotides

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Review 3

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  1. Review 3 C483 Spring 2013

  2. Net outcomes of • Oxidative phosphorylation (shuttles) • Fatty acid catabolism • Nitrogen catabolism • Light reactions of photosynthesis • Calvin cycle

  3. Structures to know • All amino acids • (deoxy)ribonucleosides and (deoxy)ribonucleotides • Carbamoyl phosphate and urea • Pyruvate, oxaloacetate, a-ketoglutarate • PRPP

  4. Metabolic Pathways/Reactions • Know these reactions/pathways (not arrow mechanisms) • Beta oxidation • PLP-mediated transamination • Formation of carbamoyl phosphate • Catabolism of amino acids covered in lecture • Basic hydrolysis and RNase-catalyzed hydrolysis of RNA

  5. Protonmotive Force • NADH + H+ + ½ O2 NAD+ + H2O + 10 H+ pumped • succinate + ½ O2 fumarate + H2O + 6 H+ pumped

  6. Photosynthesis: Net Reaction 2 H2O + 4 NADP+ + 8 photons  O2 + 4 NADPH

  7. Proton Gradient • For every ONE O2 • 4 e- passed • 8 photons absorb • 12 H+ pumped • In plants, 12 H+ required to turn ATP synthase • 3 ATP made • Quantum yield is 3 ATP/8 photons or ATP/2.7 photon

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