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Consider the following reaction catalyzed by Phosphopentose Epimerase at 37 °C. Xylulose 5-phosphate ---> Ribulose 5-phosphate At equilibrium, the ratio of Xylulose 5-P/Ribulose 5-P = 1/18.85 The physiological concentration of Xylulose 5-phosphate is 0.019 mM and the physiological concentration of of Ribulose 5-phosphate is 2.940 mM. Which direction would the reaction proceed as written under physiological conditions? Towards Products Towards Reactants At Equilibrium None of the choices are correct

Consider the following reaction catalyzed by Phosphopentose Epimerase at 37 °C. Xylulose 5-phosphate ---> Ribulose 5-phosphate At equilibrium, the ratio of Xylulose 5-P/Ribulose 5-P = 1/18.85 The physiological concentration of Xylulose 5-phosphate is 0.019 mM and the physiological concentration of of Ribulose 5-phosphate is 2.940 mM. Which direction would the reaction proceed as written under physiological conditions? Towards Products Towards Reactants At Equilibrium None of the choices are correct

Organic Chemistry
Organic Chemistry
9th Edition
ISBN:9781305080485
Author:John E. McMurry
Publisher:John E. McMurry
Chapter25: Biomolecules: Carbohydrates
Section25.SE: Something Extra
Problem 38AP
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Consider the following reaction catalyzed by Phosphopentose Epimerase at 37 oC.

              Xylulose 5-phosphate      --->     Ribulose 5-phosphate

At equilibrium, the ratio of Xylulose 5-P / Ribulose 5-P = 1/18.85 

The physiological concentration of  Xylulose 5-phosphate is  0.019 mM and the physiological concentration of of Ribulose 5-phosphate is 2.940 mM.

Which direction would the reaction proceed as written under physiological conditions?

Consider the following reaction catalyzed by Phosphopentose Epimerase at 37 °C. Xylulose 5-phosphate ---> Ribulose 5-phosphate At equilibrium, the ratio of Xylulose 5-P/Ribulose 5-P = 1/18.85 The physiological concentration of Xylulose 5-phosphate is 0.019 mM and the physiological concentration of of Ribulose 5-phosphate is 2.940 mM. Which direction would the reaction proceed as written under physiological conditions? Towards Products Towards Reactants At Equilibrium None of the choices are correct
Transcribed Image Text:Consider the following reaction catalyzed by Phosphopentose Epimerase at 37 °C. Xylulose 5-phosphate ---> Ribulose 5-phosphate At equilibrium, the ratio of Xylulose 5-P/Ribulose 5-P = 1/18.85 The physiological concentration of Xylulose 5-phosphate is 0.019 mM and the physiological concentration of of Ribulose 5-phosphate is 2.940 mM. Which direction would the reaction proceed as written under physiological conditions? Towards Products Towards Reactants At Equilibrium None of the choices are correct
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