Given the following data, calculate the ΔG'° for the reaction. Show all mathematical work & indicate...
Given the following data, calculate the ΔG'° for the reaction. Show all mathematical work & indicate proper units. R = 8.315 J/mol·K, T = 25°C,
ATP --> ADP + Pi [ΔG'° = -30.5 kJ/mol]
Fructose 1,6-bisphosphate --> Fructose 6-phosphate + Pi [ΔG'° = -16.0 kJ/mol]
Homework Answers
Fructose 6-phosphate + Pi ---> Fructose 1,6-bisphosphate
DG0 = 16 kj/mol
ATP -----> ADP + Pi [ΔG'° = -30.5 kJ/mol]
-------------------------------------------------------------------------
Fructose-6-phosphate + ATP --> fructose-1,6-bisphosphate + ADP
---------------------------------------------------------------------
DG0rxn = (-30.5+16) = -14.5 kj/mol
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Given the following data, calculate the ΔG'° for the reaction.
Show all mathematical work & indicate...
1) SHOW WORK 12. During glycolysis, glucose 1-phosphate is converted to fructose 6-phosphate in two successive...
1) SHOW WORK
12. During glycolysis, glucose 1-phosphate is converted to fructose 6-phosphate in two successive reactions: glucose 1-phosphate → glucose 6-phosphate glucose 6-phosphate + fructose 6-phosphate AG'' = -7.1 kJ/mol AG'º = +1.7 kJ/mol 13. The standard free-energy changes for the reactions below are given. phosphocreatine → creatine + Pi ATP → ADP + Pi AG" = 43.0 kJ/mol AG" = -30.5 kJ/mol What is the overall AG' for the following reaction? Iw a dee Hydrolysis of 1 M...
the enzyme hexokinase can catalyze the following reaction: fructose + ATP -> fructose 6 phosphate +...
the enzyme hexokinase can catalyze the following
reaction:
fructose + ATP -> fructose 6 phosphate + adp
if the deltaG of hydrolysis of fructose 6 phosphate to
fructose + Pi is -13.8 kj/mol and hydrolysis of atp to adp + pi is
-30kj/mol, calculate Keq for the reaction above (R = 8.31 j mol-1
K-1, T = 298 k
3a. The enzyme hexokinase can catalyze the following reaction: Fructose + ATP → Fructose-6-phosphate + ADP If the ΔGo of hydrolysis...
Please help me with number 7! If there is not enough information, please tell me what...
Please help me with number 7! If there is not enough
information, please tell me what it needed so that I may add it. I
do not need part d. All I I need is part a, b, and c.
7. In the cell, the synthesis of Fructose-1,6-bisphosphate is carried out by phosphofructokinase in the reaction: Fructose-6-phosphate + ATP → Fructose-1,6-bisphosphate + ADP a. What is the AGo' for this reaction if the AGo for ATP + H2O → ADP...
Given the following: phosphocreatine → creatine + Pi ΔG = −43.0 kJ/mol ATP → ADP + Pi...
Given the following: phosphocreatine → creatine + Pi ΔG = −43.0 kJ/mol ATP → ADP + Pi ΔG = −30.5 kJ/mol What is the overall ΔG for the following Reaction? phosphocreatine + ADP → creatine + ATP A) -12.5 kJ/mol B) + 73.5 kJ/mol C) -73.5 kJ/mol D) + 12.5 kJ/mol
1. 2. 3. 4. Select all that apply. Identify the reaction(s) of glycolysis inhibited by ATP □ glyceraldehyde-3-phosphate → 1,3-bisphosphoglycerate phosphoenolpyruvate +pyruvate 3-phosphoglycerate...
1.
2.
3.
4.
Select all that apply. Identify the reaction(s) of glycolysis inhibited by ATP □ glyceraldehyde-3-phosphate → 1,3-bisphosphoglycerate phosphoenolpyruvate +pyruvate 3-phosphoglycerate ~2-phosphoglycerate 1) fructose-6-phosphate→ fructose-1,6-bisphosphate . glucose glucose-6-phosphate Select all that apply. Alcohol fermentation: consumes ATP as it produces ethanol. O produces carbon dioxide begins as pyruvate is decarboxylated to acetaldehyde in a reaction catalyzed by alcohol dehydrogenase m regenerates NAD requires the enzyme alcohol dehydrogenase, In the figure below, what is the reaction occurring at the location...
ATP + H2O <---> ADP + Pi Calculate the ΔG for ATP hydrolysis when the concentrations...
ATP + H2O <---> ADP + Pi Calculate the ΔG for ATP hydrolysis when the concentrations of ATP, ADP, and Pi are all 1M R = 1.98 x 10-3 T = 310 kelvin ΔGº = -30.5 kJ/mol
2. For the following reaction: ATP+ creatine + H2O creatine phosphate + ADP + P, The...
2. For the following reaction: ATP+ creatine + H2O creatine phosphate + ADP + P, The relevant half reactions are: ATP → ADP + Pi Creatine phosphate + H2O-> creatine AG-30.5 kJ/mol ΔG°,--43.1 kJ/mol a. (2 pts.) Calculate the ΔG°, for the overall reaction. b. (2 pts.) Is the reaction spontaneous or non-spontaneous? Endergonic or exergonic?
5.The following reaction has a ΔG°'--61.9 kJ/mol at 25°C, Phosphoenolpyruvate (PEP) +H2O Pyruvate + Inorganic Phosphate...
5.The following reaction has a ΔG°'--61.9 kJ/mol at 25°C, Phosphoenolpyruvate (PEP) +H2O Pyruvate + Inorganic Phosphate (Pi) (a) Is the reaction favorable under standard biochemical conditions? Explain your answer. (b) What is the equilibrium constant (K) of this reaction at 25°C? In cells the direct hydrolysis of PEP rarely occurs. Rather, the hydrolysis of PEP and the reverse hydrolysis of ATP are coupled (c) w rite out the coupled reaction and determine its ΔG at 25°C The hydrolysis of ATP...
A highly regulated reaction in glycolysis involves the addition of a second phosphate to fructose-6-phosphate, which...
A highly regulated reaction in glycolysis involves the addition
of a second phosphate to fructose-6-phosphate, which could be be
written as:
Fructose-6-phostphate + Pi à Fructose-1,6-bisphosphate + H2O
The ∆Go’ for this reaction is +16.8 kJ/mol
In a muscle cell at 37 oC, assume the concentration of
Fructose-6phosphate is 0.014 mM and the concentration of phosphate
is 1 mM.
a. What would be the equilibrium concentration of
fructose-1,6bisphosphate under these conditions?
b. What is Keq for this reaction?
Show...
7. Determine the ΔG based on the reaction given below. Please show your work for full...
7. Determine the ΔG based on the reaction given below. Please show your work for full points and include units for your answer. glucose-6-phosphate isomerase glucose-6-phosphate -----------------→ fructose-6-phosphate ΔG’°= +2.0 kJ / mol 1.4 mM 0.50 mM 8. If glucose-6-phosphate is present at 1.4 mM, what is the maximum concentration of fructose-6-phosphate that may be present and still permit reaction left to right? (Temperature is assumed as a constant of 298 Kelvin)
1) SHOW WORK
12. During glycolysis, glucose 1-phosphate is converted to fructose 6-phosphate in two successive reactions: glucose 1-phosphate → glucose 6-phosphate glucose 6-phosphate + fructose 6-phosphate AG'' = -7.1 kJ/mol AG'º = +1.7 kJ/mol 13. The standard free-energy changes for the reactions below are given. phosphocreatine → creatine + Pi ATP → ADP + Pi AG" = 43.0 kJ/mol AG" = -30.5 kJ/mol What is the overall AG' for the following reaction? Iw a dee Hydrolysis of 1 M...
the enzyme hexokinase can catalyze the following
reaction:
fructose + ATP -> fructose 6 phosphate + adp
if the deltaG of hydrolysis of fructose 6 phosphate to
fructose + Pi is -13.8 kj/mol and hydrolysis of atp to adp + pi is
-30kj/mol, calculate Keq for the reaction above (R = 8.31 j mol-1
K-1, T = 298 k
3a. The enzyme hexokinase can catalyze the following reaction: Fructose + ATP → Fructose-6-phosphate + ADP If the ΔGo of hydrolysis...
Please help me with number 7! If there is not enough
information, please tell me what it needed so that I may add it. I
do not need part d. All I I need is part a, b, and c.
7. In the cell, the synthesis of Fructose-1,6-bisphosphate is carried out by phosphofructokinase in the reaction: Fructose-6-phosphate + ATP → Fructose-1,6-bisphosphate + ADP a. What is the AGo' for this reaction if the AGo for ATP + H2O → ADP...
1.
2.
3.
4.
Select all that apply. Identify the reaction(s) of glycolysis inhibited by ATP □ glyceraldehyde-3-phosphate → 1,3-bisphosphoglycerate phosphoenolpyruvate +pyruvate 3-phosphoglycerate ~2-phosphoglycerate 1) fructose-6-phosphate→ fructose-1,6-bisphosphate . glucose glucose-6-phosphate Select all that apply. Alcohol fermentation: consumes ATP as it produces ethanol. O produces carbon dioxide begins as pyruvate is decarboxylated to acetaldehyde in a reaction catalyzed by alcohol dehydrogenase m regenerates NAD requires the enzyme alcohol dehydrogenase, In the figure below, what is the reaction occurring at the location...
2. For the following reaction: ATP+ creatine + H2O creatine phosphate + ADP + P, The relevant half reactions are: ATP → ADP + Pi Creatine phosphate + H2O-> creatine AG-30.5 kJ/mol ΔG°,--43.1 kJ/mol a. (2 pts.) Calculate the ΔG°, for the overall reaction. b. (2 pts.) Is the reaction spontaneous or non-spontaneous? Endergonic or exergonic?
5.The following reaction has a ΔG°'--61.9 kJ/mol at 25°C, Phosphoenolpyruvate (PEP) +H2O Pyruvate + Inorganic Phosphate (Pi) (a) Is the reaction favorable under standard biochemical conditions? Explain your answer. (b) What is the equilibrium constant (K) of this reaction at 25°C? In cells the direct hydrolysis of PEP rarely occurs. Rather, the hydrolysis of PEP and the reverse hydrolysis of ATP are coupled (c) w rite out the coupled reaction and determine its ΔG at 25°C The hydrolysis of ATP...
A highly regulated reaction in glycolysis involves the addition
of a second phosphate to fructose-6-phosphate, which could be be
written as:
Fructose-6-phostphate + Pi à Fructose-1,6-bisphosphate + H2O
The ∆Go’ for this reaction is +16.8 kJ/mol
In a muscle cell at 37 oC, assume the concentration of
Fructose-6phosphate is 0.014 mM and the concentration of phosphate
is 1 mM.
a. What would be the equilibrium concentration of
fructose-1,6bisphosphate under these conditions?
b. What is Keq for this reaction?
Show...
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