Consider the malate dehydrogenase reaction, part of tricarboxylic acid cycle, shown below. malate + NAD+ oxaloacetate + NADH + H+ ΔGo ’ = 29.7 kJ/mol. It has been reported that the concentrations of NAD+ and NADH in yeast mitochondria were 20 mM and 0.3 mM, respectively. If we performed similar measurements and also determined that the concentration of malate in yeast mitochondria was 0.5 mM and that of oxaloacetate was 0.1 µM at pH 7.0 at 37˚C, use this information to calculate the free energy of the reaction of yeast in mitochondria.
Consider the malate dehydrogenase reaction, part of tricarboxylic acid cycle, shown below. malate + NAD+ oxaloacetate + NADH + H+ ΔGo ’ = 29.7 kJ/mol. It has been reported that the concentrations of NAD+ and NADH in yeast mitochondria were 20 mM and 0.3 mM, respectively. If we performed similar measurements and also determined that the concentration of malate in yeast mitochondria was 0.5 mM and that of oxaloacetate was 0.1 µM at pH 7.0 at 37˚C, use this information to calculate the free energy of the reaction of yeast in mitochondria.
Human Physiology: From Cells to Systems (MindTap Course List)
9th Edition
ISBN:9781285866932
Author:Lauralee Sherwood
Publisher:Lauralee Sherwood
Chapter2: Cell Physiology
Section: Chapter Questions
Problem 10RE: Using the answer code on the right, indicate which form of energy production is being described: 1....
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Consider the malate dehydrogenase reaction, part of tricarboxylic acid cycle, shown below. malate + NAD+ oxaloacetate + NADH + H+ ΔGo ’ = 29.7 kJ/mol. It has been reported that the concentrations of NAD+ and NADH in yeast mitochondria were 20 mM and 0.3 mM, respectively. If we performed similar measurements and also determined that the concentration of malate in yeast mitochondria was 0.5 mM and that of oxaloacetate was 0.1 µM at pH 7.0 at 37˚C, use this information to calculate the free energy of the reaction of yeast in mitochondria.
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