9 Glycolysis Questions Flashcards
1
Q
Hydrolysis of ATP has a DG°´ of -32 kJ/mol. Hydrolysis of Fruc-1,6-BP to F-6-P has a DG°´ of -14 kJ/mol. What is the standard free energy change for the reaction catalyzed by PFK-1?
A.-46 kJ/mol
B.-22 kJ/mol
C.-18 kJ/mol
D.18 kJ/mol
E.46 kJ/mol
A
A.-46 kJ/mol
B.-22 kJ/mol
C.-18 kJ/mol
D.18 kJ/mol
E.46 kJ/mol
- ATP + H2O -> ADP + Pi + H+ delta G = -32
- F-1,6-BP + H2O -> F-6-BP + H2O delta G = -14
- NET
- ATP + F6P -> ADP + F-1,6-BP + H+
- delta G = (-32+14) = -18
