What would you expect the change in Gibb’s free energy to be for the breakdown of...
Homework Answers
ATP is the universal cellular energy currency. It is produced by
three different methods.
i. Substrate level phosphorylation
ii. Photophosphorylation
iii. Oxidative phosphorylation
ATP is produced during the catabolic reaction and is used to
drive the anabolic reaction.
ATP + H2O --------> ADP + Pi
dG = -31 kJ/mol
ADP + H2O --------> AMP + Pi
dG = -31 kJ/mol
ATP + H2O --------> AMP + PPi
dG = -38 kJ/mol
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What would you expect the change in Gibb’s free energy to be for
the breakdown of...
er at initial change (AG The standard free energy change (AG) for ATP hydrolysis is -30.5 kJ/ mol ATP, ADP, and I a...
er at initial change (AG The standard free energy change (AG) for ATP hydrolysis is -30.5 kJ/ mol ATP, ADP, and I are mixed together at initial concentrations of 1 M each then left alone until the reaction below has come to equilibrium. For each species (ie. ATP. ADP and P.) indicate whether the concentration will be equal to 1 M, less than 1 M, or greater than 1 M after the reaction had reached equilibrium. Explain why. ATP +...
If the cell had high [ATP] and low [AMP], what would you expect to happen to...
If the cell had high [ATP] and low [AMP], what would you expect to happen to the following processes (i.e. process vs. not proceed)? What causes them to process/not proceed and be sure to address any enzymes involved. Glycolysis Gluconeogenesis Glycogen breakdown Glycogen synthesis
i know the answer for free energy of hrydrolsis what would answer if this question asked...
i know the answer for free energy of hrydrolsis what would
answer if this question asked for free energy of synthesis ??
14. Calculate the actual free energy of hydrolysis of ATP in human erythrocytes. The standard free energy of hydrolysis of ATP is -30.5 kJ/mol, and the concentrations of ATP, ADP, and P; in an erythrocyte (all in M) are as follows: [ATP] = 2.25 X 10 -3; [ADP] = 0.25 X 109, and [P:] = 1.65 X 10....
Gibb’s Free Energy – what is the main equation for delta G, what the components mean,...
Gibb’s Free Energy – what is the main equation for delta G, what the components mean, and how to use it.
For the reaction given below, the standard change in free energy has a positive value. A+B<-->C+D...
For the reaction given below, the standard change in free energy has a positive value. A+B<-->C+D Changing the conditions of the reaction can alter the value of the change in free energy (?G). Sort the following conditions as to whether each would decrease the free energy value, increase the free energy value, or not change the free energy value for the reaction. For each change, assume that the other variables are kept constant. a. Adding a catalyst decrease the free...
For the reaction A+B= C+D, assume that the standard change in free energy has a positive...
For the reaction A+B= C+D, assume that the standard change in free energy has a positive value. Changing the conditions of the reaction can alter the value of the change in free energy (AG). Classify the conditions as to whether each would decrease the value of AG, increase the value of AG, or not change the value of AG for the reaction. For each change, assume that the other variables are kept constant. Decrease AG Increase AG No effect on...
12. Under physiological conditions, the true free-energy change for the hydrolysis of ATP to ADP is...
12. Under physiological conditions, the true free-energy change for the hydrolysis of ATP to ADP is influenced by a number of factors including the presence of an associated Mg2+ ion nd is about-50 kJ mol-1. Suppose an individual maintain:s a constant amount of 100 g MgATP2. 0 NII H2N 9 HO MgATP2- a. How much free energy is represented by this amount of MgATP2i? b. ATP is not as much for energy storage as for energy transduction; ATP is hydrolyzed...
Describe Gibbs free energy and explain how the change in free energy delta G can be...
Describe Gibbs free energy and explain how the change in free energy delta G can be used to predict if a reaction will be spontaneous or non-spontaneous. Explain how ATP acts as an energy carrier. Describe oxidative phosphorylation. Where is the electron transport chain (ETC) located and name each of the five complexes of ETC. Explain standard reduction potential. Explain how proton concentration gradient is used to drive ATP synthesis. Explain the role of uncoupling proteins. Identify the sugars below...
What is the change in standard free energy for the reaction? What is the value of...
What is the change in standard free energy for the reaction? What is the value of K for the reaction
A reaction has a standard free-energy change of -4.78 kJ/mol at 25 degree C. What are...
A reaction has a standard free-energy change of -4.78 kJ/mol at 25 degree C. What are the concentrations of A, B, and C at equilibrium if, at the beginning of the reaction, their concentrations are 0.30 M, 0.40 M, and 0 M, respectively? How would your answers above change if the reaction had a standard free-energy change of +4.97 kJ/mol? All concentrations would be higher. All concentrations would be lower. There would be no change to the answers. There would...
er at initial change (AG The standard free energy change (AG) for ATP hydrolysis is -30.5 kJ/ mol ATP, ADP, and I are mixed together at initial concentrations of 1 M each then left alone until the reaction below has come to equilibrium. For each species (ie. ATP. ADP and P.) indicate whether the concentration will be equal to 1 M, less than 1 M, or greater than 1 M after the reaction had reached equilibrium. Explain why. ATP +...
i know the answer for free energy of hrydrolsis what would
answer if this question asked for free energy of synthesis ??
14. Calculate the actual free energy of hydrolysis of ATP in human erythrocytes. The standard free energy of hydrolysis of ATP is -30.5 kJ/mol, and the concentrations of ATP, ADP, and P; in an erythrocyte (all in M) are as follows: [ATP] = 2.25 X 10 -3; [ADP] = 0.25 X 109, and [P:] = 1.65 X 10....
For the reaction A+B= C+D, assume that the standard change in free energy has a positive value. Changing the conditions of the reaction can alter the value of the change in free energy (AG). Classify the conditions as to whether each would decrease the value of AG, increase the value of AG, or not change the value of AG for the reaction. For each change, assume that the other variables are kept constant. Decrease AG Increase AG No effect on...
12. Under physiological conditions, the true free-energy change for the hydrolysis of ATP to ADP is influenced by a number of factors including the presence of an associated Mg2+ ion nd is about-50 kJ mol-1. Suppose an individual maintain:s a constant amount of 100 g MgATP2. 0 NII H2N 9 HO MgATP2- a. How much free energy is represented by this amount of MgATP2i? b. ATP is not as much for energy storage as for energy transduction; ATP is hydrolyzed...
Describe Gibbs free energy and explain how the change in free energy delta G can be used to predict if a reaction will be spontaneous or non-spontaneous. Explain how ATP acts as an energy carrier. Describe oxidative phosphorylation. Where is the electron transport chain (ETC) located and name each of the five complexes of ETC. Explain standard reduction potential. Explain how proton concentration gradient is used to drive ATP synthesis. Explain the role of uncoupling proteins. Identify the sugars below...
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