I. ATP Calculation A. Given that three molecules of glucose underwent full oxidation, how many of the following is produced in each phase? Show your solutions. Glycolysis NADH FADH₂ ATP NADH FADH2 A B C ATP (Substrate Level) SUM TOTAL Pyruvate Oxidation J K D E F If this happens in the liver, how many ATPs will be synthesized if all NADH and FADH₂ entered ETC. Total number L M N G H I O Kreb's Cycle ATP Produced
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- Characterizing Glycolysis List the reactions of glycolysis that a. are energy consuming (under standard-stale conditions), b. are energy yielding (under standard-state conditions), c. consume ATP. d. yield ATP e. are strongly influenced by changes in concentration of substrate and product because of their molecularity. f. are at or near equilibrium in the erythrocyte (see Table 18.2).Comparing Glycolysis Entry Points for Sucrose Sucrose can enter glycolysis by either of two routes: Sucrose phosphorylase: Sucrose + Pi fructose + glucose-1-phosphate Invertase: Sucrose + H20 fructose + glucose Would either of these reactions offer Jin advantage over the other In the preparation of hexoses fur entry into glycolysis?Understanding the Oxidation of Glucose and Its Products in the TCA Cycle Glycolysis, the pyruvate dehydrogenase reaction, and the TCA cycle result in complete oxidation of a molecule of glucose to CO2. Review the calculation of oxidation numbers for individual atoms in any molecule, and then calculate the oxidation numbers of the carbons of glucose, pyruvate, the acetyl carbons of acetyl-CoA. and the metabolites of the TCA cycle to convince yourself that complete oxidation of glucose involves removal of 24 electrons and that each acetyl-CoA through the TCA cycle gives up 8 electrons.
- I. ATP Calculation A. Given that three molecules of glucose underwent full oxidation, how many of the following is produced in each phase? Show your solutions. Glycolysis NADH FADH₂ ATP A B C Pyruvate Oxidation D E F G H I Kreb's Cycledtermoine numberof ATPS GENERATED FROM COMPLETE oxidation of fructose-6-phosphate isocitrate stearidonic acid [18 carbons triangle 6,9,12,15] indicate where everything comes from ex ATPS FROM GLYCOLYSIS , NADH FROM TCA ETC LIST ALLPage > of 6 ZOOM + TCA cycle, oxidative phosphorylation, metabolic regulation TCA cycle (Ch. 16) 1. The citric acid cycle has eight enzymes: citrate synthase, aconitase, isocitrate dehydrogenase, a-ketoglutarate dehydrogenase, succinyl-CoA synthetase, succinate dehydrogenase, fumarase, and malate dehydrogenase. (a) Write a balanced equation for the reaction catalyzed by each enzyme. (b) Name the cofactor(s) required by each enzyme reaction. (c) For each enzyme determine which of the following describes the type of reaction(s) catalyzed: condensation (carbon–carbon bond formation); dehydration (loss of water); hydration (addition of water); decarboxylation (loss of CO2); oxidation-reduction; substrate-level phosphorylation; isomerization. (d) Write a balanced net equation for the catabolism of acetyl-CoA to CO2.
- HANDOUT C Glucose-6 Phosphate Dehydrogenase and TPI Deficiencies Glucose-6-P GSH + GSH Reduced glutathione 2 H+ NADP+ H₂O₂ Hydrogen peroxide Glucose-6-phosphate dehydrogenase Superoxide radical NADPH + H+ 6-Phosphogluconolactone GSSG Glutathione Oxidized reductase Glutathione peroxidase Aerobic respiration, drugs, fava beans glutathione 2 H₂O Detoxification SOD: superoxide dismutase GPx: glutathione peroxidase HK: hexokinase GSSG and GSH: glutathione, oxidized and reduced forms, respectively CAT: catalase The diagram above gives important details about the HMP shunt. Superoxides/free radicals dis- rupt membrane lipids, causing changes in membrane permeability. The HMP shunt is expressed in liver cells, red blood cells, and in lipid-producing tissues. 1. Discuss how glycolysis is affected in G6PD patients, using the diagrams to explain your response. 2. How does this effect differ from TPI patients? 3. Why are red blood cells, but not the nervous system, affected in G6PD patients?Worksheet on Computation of ATP yield from Fatty acid metabolism. Consider docosanoic acid, C21H43CO2H a. Label alpha (a) and beta ( B) carbons b. Draw the acyl COA derived from this fatty acid c. How many acetyl CoA molecules are formed by complete B-oxidation? d. How many cycles of B- oxidation are needed for complete oxidation? e. How many molecules of ATP are formed from the complex catabolism of this fatty acid.G. ENZYME CLASSIFICATION. Identify the main class of enzymes used to catalyzed the following reactions: 1. Lactate dehydrogenase: NADH+H NAD HC-OH CH3 CH Pynnte Lactate 2. Methylmalonyl-CoA mutase: CH CH SCOA CH,CH, SCOA coenzyme B12 COO COO methylmalonyl-CoA succinyl-CoA 3. Enolase: 0. H–Ċ–0–P–0- C-0–P-0- + H,0 HO–CH, CH 6 Phosphoenolpyruvate 2-Phosphoglycerate 4. Chymotrypsin: -0–CH,CH3 + H2O - RCOOH + HOCH,CH3 5. Pyruvate carboxylase: coo • co, • ATP + H,0 H-C-H . ADP + P, + 2H čoo CH, Pyruvate Oxaleacetate
- generation of one less FADH2 molecule. Part C B-oxidation dealls with only saturated fatty acids, but many fatty acids in natural lipids are unsaturated, meaning they contain one or more double bonds. Considering the fatty acid below, calculate the energy yield of its complete oxidation. OH Express your answer using three significant figures. ▸ View Available Hint(s) ΑΣΦ + 0 ? Submit ATPHandwritten Identify the molecule names, enzyme name, enzyme classification and change in reaction(for glycolysis pathway)B. Given that five molecules of glucose in eukaryotes underwent full oxidation and entered ETC, how many of the following is produced in each phase? Show your solutions. Glycolysis Kreb's Cycle NADH FADH₂ ATP A B C D E F Pyruvate Oxidation G J H K I L TOTAL NET ATP M ATP