Glycolysis When a Mixture of Glucose 6-Phosphate and Fructose 6-Phosphate

Question 3
Multiple Choice

Glycolysis When a mixture of glucose 6-phosphate and fructose 6-phosphate is incubated with the enzyme phosphohexose isomerase,the final mixture contains twice as much glucose 6-phosphate as fructose 6-phosphate.Which one of the following statements is most nearly correct,when applied to the reaction below (R = 8.315 J/mol·K and T = 298 K)? Glucose 6-phosphate ↔ fructose 6-phosphate A)G'° is +1.7 kJ/mol. B)G'° is -1.7 kJ/mol. C)G'° is incalculably large and negative. D)G'° is incalculably large and positive. E)G'° is zero.

A