The Biology Project: Biochemistry

Energy, Enzymes, and Catalysis Problem Set

Problem 13: Equilibrium constant for hydrolysis of glucose-6-phosphate

The equilibrium constant for the reaction, glucose 6-phosphate + water glucose + phosphate, is 260. What can you conclude about this reaction:

A. It is a closed system.
B. It never reaches equilibrium.
C. Starting with glucose 6-phosphate, it is not spontaneous.
D. At equilibrium, the concentration of glucose is much higher than the concentrations of glucose 6-phosphate.
E. The equilibrium constant increases when the starting concentration of glucose 6-phosphate is increased.

The Biology Project
Department of Biochemistry and Molecular Biophysics
University of Arizona
Wednesday, September 25, 1996
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