From data in the table, calculate the AG'º value for the reactions.ReactionAG° (kJ/mol)Phosphocreatine + H,O→ creatine + P;|-43.0|ADP + P; → ATP + H,O|+30.5Fructose + P;→ fructose 6-phosphate + H,0+15.9Phosphocreatine + ADP → creatine + ATPAG'º =kJ/molATP + fructose → ADP + fructose 6-phosphateAG'º =kJ/mol

Gibbs free energy can be defined as the maximum amount of work that can be extracted from a closed…

Answered: From data in the table, calculate the…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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Given that the standard free-energy change for the reaction glucose + Pi →glucose 6-phosphate is 13.8 kJ/mol, and the standard free-energy change forthe reaction ATP → ADP + Pi is −30.5 kJ/mol, what is the free-energychange for the reaction glucose + ATP → glucose 6-phosphate + ADP?
Consider the following chemical equation whose delta(G) = 9kcal/mol: AC + BD ---> AB + CD what are the reactants and what are the products is this reaction spontaneous? How do you know? Is energy released or consumed by this reaction? If an enzyme, which catalyzes this reaction is added, what will happen to delta (G) If this reaction is coupled to another reaction, whose delta(G) is -12 kcal/mol, what will be the net delta(G) value? will the overall reaction be spontaneous
Consider the following reaction:ATP → AMP + 2 PiCalculate the equilibrium constant (Keq) given the following ΔG°′ values:ATP → AMP + PPi (−32.2 kJ/mol)PPi → 2Pi (−33.5 kJ/mol)
Use the Michaelis-Menten equation to complete the enzyme kinetic data set, when Km is known to have a value of 1 mmol L-1
If the Go for ATP hydrolysis into ADP + inorganic phosphate is 7.3 kcal/mole, and the Go for glutamine synthesis from glutamic acid and NH3 is +3.4 kcal/mole, calculate the average Go for coupling these two reactions (glutamic acid + NH3 + ATP  glutamine + ADP + inorganic phosphate
If the hydrolysis of 1 M glucose 6-phosphate catalyzed by glucose 6-phosphatase has a ΔG′∘ of −11.386 kJ/mol at 25 °C, what percentage of substrate remains once the reaction reaches equilibrium assuming no product was initially present? (Round answer to the nearest whole number)
Consider the following chemical reaction: Glucose + ATP → Glucose-6-Phosphate + ADP + Pi Given the following information, calculate the actual free energy change (G’) of this reaction. G’ of Glucose + ATP → Glucose-6-Phosphate + ADP + Pi = -16.7 kJ/mol [Glucose] = 5.0 mM [ATP] = 1.85 mM [Glucose-6-Phosphate] = 0.083 mM [ADP] = 0.14 mM [Pi] = 1.0 mM Temperature = 37 C R (Gas Constant) = 8.314 J/mol•K
Consider the following reaction: Glucose-1-phosphate → Glucose-6-phosphate ΔG° = −7.1 kJ/mol What is the equilibrium constant for this reaction at 25oC?
Calculate the standard free energy change (ΔG°′) for the following reaction: ½ O2 + FADH2 → H2O + FAD
Consider the following equilibrium at 25ºC :Glucose-1-Phosphate Glucose-6-PhophateUsing the equilibrium concentrations of [Glucose-1-Phosphate] = 0.35 M and [Glucose-6-Phosphate] = 1.65 M, calculate BOTH K′eqand Gº′ for this reaction. Is this reaction exergonicor endergonic? R = 8.314 J/K·mol
The hydrolysis of ATP has an enthalpy and entropy of -24.3 kJ/mol and +21.6 J.K-1.mol-1, respectively, at 37 o C. What is the free energy change for the hydrolysis of 5 mols of ATP? Explain what contributes to the negative enthalpy change and positive entropy change in this reaction. What physical characteristics of the reaction would change if an ATP hydrolase enzyme is added to the solution?
Shown below are reduction potentials for four half-reactions. Which of the coupled reactions is favorable? (Note that for Cytochrome c you must multiply the reduction potential by 2 for each coupled reaction because only one electron is involved) a) 2 Cytochrome c (Fe3+) + H2O ó 2 Cytochrome c (Fe2+) + O2 b) NADH + Succinate- ó NAD+ + Fumarate- c) Fumarate- + H2O ó Succinate- + O2 d) All of the above

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