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Consider the malate dehydrogenase reaction from the citric acid cycle. Given the listed concentrations, calculate the...
Consider the malate dehydrogenase reaction from the citric acid cycle. Given the listed concentrations, calculate the...
Consider the malate dehydrogenase reaction from the citric acid
cycle. Given the listed concentrations, calculate the free energy
change for this reaction at energy change for this reaction at 37.0
∘ C (310 K). Δ G ∘ ′ for the reaction is + 29.7 kJ/mol . Assume
that the reaction occurs at pH 7.
thank you
Consider the malate dehydrogenase reaction from the citric acid cycle. Given the listed concentrations, calculate the free energy change for this reaction at energy...
Consider the malate dehydrogenase reaction from the citric acid cycle. Given the listed concentrations, calculate the...
Consider the malate dehydrogenase reaction from the citric acid cycle. Given the listed concentrations, calculate the free energy change for this reaction at energy change for this reaction at 37.0°C (310 K). AG' for the reaction is +29.7 kJ/mol. Assume that the reaction occurs at pH 7. [malate) = 1.43 mm [oxaloacetate) = 0.150 mM [NAD+] = 220 mm [NADH] = 88 mm kJ.mol-1 AG:
In the citric acid cycle, malate is dehydrogenated to oxaloacetate in a highly endergonic reaction with...
In the citric acid cycle, malate is dehydrogenated to oxaloacetate in a highly endergonic reaction with a ΔG’o of +30 kJ mol-1: L‐malate + NAD+ ⇌ oxaloacetate + NADH + H+ A. Calculate the equilibrium constant K’eq of this reaction. What is the implication of this result? B. Let us suppose that you have gathered two sets of data concerning the malate dehydrogenase reaction: (a) From one set of data obtained from three different model systems (rat, mouse and pig)...
QUESTION 8 Consider the reaction: Malate + NAD → Oxaloacetate + NADH (AG'º = +29.7 kJ/mol)...
QUESTION 8 Consider the reaction: Malate + NAD → Oxaloacetate + NADH (AG'º = +29.7 kJ/mol) A cell at 25°C has the following concentrations of these compounds: malate = 0.5 mm oxaloacetate=0.00002 mM • NAD = 1 mM NADH = 0.04 mm . Is the reaction spontaneous? QUESTION 9 Consider the reaction: 1,3-Bisphosphoglycerate (1,3-BPG) + ADP→ 3-Phosphoglycerate (3-PG) + ATP (AG' = -18.9 kJ/mol) A cell at 25°C has the following concentrations of these compounds: 1,3-BPG = 0.003 Mm ADP...
not sure about reaction 3 and 4 acetyl-CoA COA The reactions of the citric acid cycle...
not sure about reaction 3 and 4
acetyl-CoA COA The reactions of the citric acid cycle are shown in the figure Reactions 1, 3, and 4 are regulation points in the citric acid cycle. 1 citrate oxaloacetate 1 synthase citrate NADH + NAD malate dehydrogenase aconitase 2 malate Which of the molecules inhibits reaction 1? Isocitrate HO 17 fumarase NAD socitrate 3 dehydrogenase S D NADP ADP ОАТР O citrate synthase fumarate FADHI succinate co-ketoglutarate dehydrogenase ci-ketoglutarate NAD dehydrogenase +...
acetyl-CoA COA The reactions of the citric acid cycle are shown in the image. As labeled...
acetyl-CoA COA The reactions of the citric acid cycle are shown in the image. As labeled in the diagram, reactions 1, 3, and 4 are regulation points in the citric acid cycle. oxaloacetate citrate synthase citrate NADH +Hi 7 malate dehydrogenase NAD malate aconitase 2 Which molecule inhibits reaction 1? isocitrate 7 fumarase NAD isocitrate dehydrogenase 3 NADH + H+ O citrate O NAD acetyl-CoA + CO2 fumarate C-ketoglutarate FADH succinate O dehydrogenase FAD O-ketoglutarate a dehydrogenase NAD + COA...
Part B Use the structures given in the cycle shown before this part identify the enzymes involved in each step of the citric acid cycle by completing each sentence Match the words in the left column...
Part B Use the structures given in the cycle shown before this part identify the enzymes involved in each step of the citric acid cycle by completing each sentence Match the words in the left column to the appropriate blanks in the sentences on the right. View Available Hint(s) Reset Help isocitrate dehydrogenase aconitase citrate synthase fumarate hydratase succinate dehydrogenase succinyl-CoA synthetase a-ketoglutarate dehydrogenase malate dehydrogenase In step 1, oxaloacetate condenses with acetyl-CoA to form citrate, which is catalyzed by...
Question 5: Below is the chemical equation catalyzed by isocitrate dehydrogenase (i... the third reaction in...
Question 5: Below is the chemical equation catalyzed by isocitrate dehydrogenase (i... the third reaction in the citric acid cycle). α-ketoglutarate + CO2 + NADH + H+ isocitrate NAD (a) Calculate the physiological ΔG of the isocitrate dehydrogenase reaction at 25°C and pl 17.0 given: [NAD+]IN ADH]-8; [α-ketoglutarate] = 0.1 mM: [isocitrate] = 0.02 mM; standard state conditions for CO2 and H: and ΔG (b) Is this reaction a likely site for metabolic control? Explain. 。,--21.0 kJ/mol?
9. Which of the listed enzymes of the TCA cycle is regulated by phosphorylation/dephosphorylation cycle ?...
9. Which of the listed enzymes of the TCA cycle is regulated by phosphorylation/dephosphorylation cycle ? : a. isocitrate dehydrogenase b. succinate dehydrogenase c. malate dehydrogenase d. a-ketoglutarate dehydrogenase complex e. citrate synthase 10. Name the enzyme catalyzing the following reaction: COOH + GTP - PEP + CO2 + GDP C=0 CH2 COOH a. PEP carboxykinase b. pyruvate kinase d. pyruvate carboxylase c. malic enzyme 11. Name the enzyme that catalyzes the reaction: glyoxylate + CH3CO-SCOA -- → malate +...
Consider the fructose-1,6-bisphosphatase reaction. Calculate the free energy change if the ratio of the concentrations of...
Consider the fructose-1,6-bisphosphatase reaction. Calculate the free energy change if the ratio of the concentrations of the products to the concentrations of the reactants is 20.9 and the temperature is 37.0 °C? AG'for the reaction is -16.7 kJ/mol. AG= AG= kJ/mol
Consider the malate dehydrogenase reaction from the citric acid
cycle. Given the listed concentrations, calculate the free energy
change for this reaction at energy change for this reaction at 37.0
∘ C (310 K). Δ G ∘ ′ for the reaction is + 29.7 kJ/mol . Assume
that the reaction occurs at pH 7.
thank you
Consider the malate dehydrogenase reaction from the citric acid cycle. Given the listed concentrations, calculate the free energy change for this reaction at energy...
Consider the malate dehydrogenase reaction from the citric acid cycle. Given the listed concentrations, calculate the free energy change for this reaction at energy change for this reaction at 37.0°C (310 K). AG' for the reaction is +29.7 kJ/mol. Assume that the reaction occurs at pH 7. [malate) = 1.43 mm [oxaloacetate) = 0.150 mM [NAD+] = 220 mm [NADH] = 88 mm kJ.mol-1 AG:
QUESTION 8 Consider the reaction: Malate + NAD → Oxaloacetate + NADH (AG'º = +29.7 kJ/mol) A cell at 25°C has the following concentrations of these compounds: malate = 0.5 mm oxaloacetate=0.00002 mM • NAD = 1 mM NADH = 0.04 mm . Is the reaction spontaneous? QUESTION 9 Consider the reaction: 1,3-Bisphosphoglycerate (1,3-BPG) + ADP→ 3-Phosphoglycerate (3-PG) + ATP (AG' = -18.9 kJ/mol) A cell at 25°C has the following concentrations of these compounds: 1,3-BPG = 0.003 Mm ADP...
not sure about reaction 3 and 4
acetyl-CoA COA The reactions of the citric acid cycle are shown in the figure Reactions 1, 3, and 4 are regulation points in the citric acid cycle. 1 citrate oxaloacetate 1 synthase citrate NADH + NAD malate dehydrogenase aconitase 2 malate Which of the molecules inhibits reaction 1? Isocitrate HO 17 fumarase NAD socitrate 3 dehydrogenase S D NADP ADP ОАТР O citrate synthase fumarate FADHI succinate co-ketoglutarate dehydrogenase ci-ketoglutarate NAD dehydrogenase +...
acetyl-CoA COA The reactions of the citric acid cycle are shown in the image. As labeled in the diagram, reactions 1, 3, and 4 are regulation points in the citric acid cycle. oxaloacetate citrate synthase citrate NADH +Hi 7 malate dehydrogenase NAD malate aconitase 2 Which molecule inhibits reaction 1? isocitrate 7 fumarase NAD isocitrate dehydrogenase 3 NADH + H+ O citrate O NAD acetyl-CoA + CO2 fumarate C-ketoglutarate FADH succinate O dehydrogenase FAD O-ketoglutarate a dehydrogenase NAD + COA...
Part B Use the structures given in the cycle shown before this part identify the enzymes involved in each step of the citric acid cycle by completing each sentence Match the words in the left column to the appropriate blanks in the sentences on the right. View Available Hint(s) Reset Help isocitrate dehydrogenase aconitase citrate synthase fumarate hydratase succinate dehydrogenase succinyl-CoA synthetase a-ketoglutarate dehydrogenase malate dehydrogenase In step 1, oxaloacetate condenses with acetyl-CoA to form citrate, which is catalyzed by...
Question 5: Below is the chemical equation catalyzed by isocitrate dehydrogenase (i... the third reaction in the citric acid cycle). α-ketoglutarate + CO2 + NADH + H+ isocitrate NAD (a) Calculate the physiological ΔG of the isocitrate dehydrogenase reaction at 25°C and pl 17.0 given: [NAD+]IN ADH]-8; [α-ketoglutarate] = 0.1 mM: [isocitrate] = 0.02 mM; standard state conditions for CO2 and H: and ΔG (b) Is this reaction a likely site for metabolic control? Explain. 。,--21.0 kJ/mol?
9. Which of the listed enzymes of the TCA cycle is regulated by phosphorylation/dephosphorylation cycle ? : a. isocitrate dehydrogenase b. succinate dehydrogenase c. malate dehydrogenase d. a-ketoglutarate dehydrogenase complex e. citrate synthase 10. Name the enzyme catalyzing the following reaction: COOH + GTP - PEP + CO2 + GDP C=0 CH2 COOH a. PEP carboxykinase b. pyruvate kinase d. pyruvate carboxylase c. malic enzyme 11. Name the enzyme that catalyzes the reaction: glyoxylate + CH3CO-SCOA -- → malate +...
Consider the fructose-1,6-bisphosphatase reaction. Calculate the free energy change if the ratio of the concentrations of the products to the concentrations of the reactants is 20.9 and the temperature is 37.0 °C? AG'for the reaction is -16.7 kJ/mol. AG= AG= kJ/mol
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