Question

For the isomerization of glucose-1-phosphate to glucose-6-phosphate, the ΔG°′ = . [Express your answer in kJ/mol using 2 significant figures.]

At 37°C and concentrations of 5 mM glucose-6-phosphate and 0.1 mM glucose-1-phosphate, the ΔG = . [Express your answer in kJ/mol using 2 significant figures.]

TABLE12.4Standard Free Energy Change for Phosphate Hydrolysis

COMPOUND

ΔG°^′ (kJ · mol^−1)

Phosphoenolpyruvate

−61.9

1,3-Bisphosphoglycerate

−49.4

ATP → AMP + PP_i

−45.6

Phosphocreatine

−43.1

ATP → ADP + P_i

−30.5

Glucose-1-phosphate

−20.9

PP_i → 2 P_i

−19.2

Glucose-6-phosphate

−13.8

Glycerol-3-phosphate

 −9.2