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Solved in 6 steps
- 1.provide a solution using a table, listing all the specific individual reactions that will generate ATP either by substrate level phosphorylation (SLP) or by oxidative phosphorylation (OP). 2. Shall the given question require a shuttle system, please use both and indicate the net ATP for each. 3. Get the net ATP for each question given you Specific reaction Number of ATP (+ or -) Question 1: fructose 6-phosphate to 2acetyl coa Question 2: fructose 6-phosphate to 6C02 Question 3: fructose 6-phosphate to 2succinyl coa3. Answer the following questions about the metabolic pathway shown below: glutamate dehydrogenase e NH3 0-C-C-cH2-CH2-C- 0-C-CH-CH2-CH2-C-O + H,O + NAD + NH + NADH + H (a) Label the correct substances as the substrate, enzyme, and co-enzyme. (b) Which of the six classes does the enzyme of this reaction belong to? Why? (c) What is the name of the first molecule in this reaction? (d) Which metabolic pathway is this reaction likely to be a part of? A. glycolysis B. deamination C. beta-oxidation D. fermentation21. Based upon the following reactions, what would be the AG" for the formation of ATP from phosphoenolpyruvate and ADP? ATP → ADP + Pi phosphoenolpyruvate pyruvate + Pi AG" = -31.5 kJ/mol AG"=-62.2 kJ/mol
- Calculate the ATP yield for the full catabolism of a phospholipid containing ethanolamine, C18:3 Δ9, 12, 15 and oleic acid. Include any ATP “expenses” or “income”. This will be a complex problem—neatly show your work and justify your choices.1. Cyanide, oligomycin, and 2,4-dinitrophenol are all inhibitors of oxidative phosphorylation in mitochon- dria. Provide an explanation to the following conditions regarding these potent inhibitors. (a) Explain why adding cyanide to an active in vitro suspension of mitochondria blocks ATP synthesis. What happens to the rate of ATP synthesis when 2,4-dinitrophenol is added to this mitochon- drial suspension after it was treated with cyanide? (b) Explain why the rate of oxygen consumption decreases in an in vitro suspension of mito- chondria when oligomycin is added. What happens to the rate of oxygen consumption in this oligomycin- inhibited system after adding 2,4-dinitrophenol? Explain.4. the first two reactions in glycolysis associated with unfavorable AG° values, i.e., AGº > 0, both produce a product with high phosphoryl group transfer potential. (ATP formation is not considered here.) Compare the two reactions and describe what the driving force is for both reactions that allows glycolysis to proceed to formation of pyruvate.
- 17. Omeprazole is a bioprecursor prodrug that is activated by protonation to give active metabolite that inhibits H¨,K*-ATPase covalently. By using chemical equations show activation of Omeprazole and its reaction to inhibit the H*,K*-ATPase. CH3 H3CO. s=0 H3C HNN Omeprazole OCH3 18. The following compound is an open-chain prodrug of benzodiazepines which undergo N- dealkylation to triazolam. Using chemical equations show transformation of this prodrug to triazolam. H3C H3C CH3 CH3 triazolam open-chain prodrug of triazolamYou know that the free energy of ATP hydrolysis depends on the ATP/ADP ratio. Given that under standard conditions DGo = -30.5 kJ/mol, what should be DG of ATP hydrolysis under normal intracellular concentrations? [ATP] = 2.3 mM, [ADP] = 0.25 mM, [Pi] = 1.65 mM What is the energy of ATP hydrolysis in a cell that is ATP-depleted? [ATP] = 0.1 mM, [ADP] = 2.8 mM, [Pi] = 1.65 mM1. Outline the first round of lipid catabolism using a C18 saturated fatty acid. Indicate cofactors and type of chemistry that takes place. a. How much NADH, FADH2 and ACCOA are you getting from complete catabolism of this fatty acid? b. How many moles of ATP are you getting from the breakdown of this fatty acid? Keep in mind that in the mitochondria 1 mole FADH2 gives about 1.5 moles of ATP while 1 mole NADH yields about 2.5 moles of ATP.
- 1. In living organisms, can metabolism yield a ΔG with a value of "0"? Please explain. 2. Where does citric acid cycle take place (please be very specific)? 3. What is substrate-level phosphorylation? What is the percentage of energy generated by substrate-level phosphorylation during aerobic phosphorylation? 4. In electron transport chain (aerobic respiration), which molecule is the most electronegative (highest electronegativity)?A4. what conformational state is stabilized by y in atp synthase? why might achieving this state require energy input from the pmf?2. The overall result of CH,OH + 2 NAD+ + 2 NADH glycolysis can be summarized by the equation on the right in which HO the glucose origins of the carbon atoms in pyruvate are color coded. Show by writing the reactions catalyzed by aldolase and triose phosphate isomerase and num- bering the carbons why this is the fate of glucose carbon atoms in pyruvate. Indicate numbering of carbons in Glucose-6-Pi, Fructose-1,6-BisPi, enzyme products, and pyruvate. HO + 2 Pi 2 + 2 ATP > OH + 2 ADP (CH3 + 2 H20 Glucose Pyruvate