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![fractose-6-phosphate - glucoll-6-phosphate Keq = 1.97 sa = - RT en keq = -8.314 xib 3x298xIn 1.97 sa -1.68 kg/mol Q - (96-P]](http://img.homeworklib.com/questions/e095b5a0-7124-11ea-9db0-3f4d4f479bee.png?x-oss-process=image/resize,w_560)
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Consider the given interconversion, which occurs in glycolysis. fructose 6-phosphate glucose 6-phosphate K1.97 What is AG...
The difference between AG and AG' (Basic Applied) In glycolysis the following reaction occurs: Fructose 6-phosphate...
The difference between AG and AG' (Basic Applied) In glycolysis the following reaction occurs: Fructose 6-phosphate Glucose 6-phosphate K'eq=1.97 a) What is the AGʻº for the reaction if K'eq is measured at 25°C? (2 points) b) If the concentration of fructose 6-phosphate is 1.5M and that of glucose 6-phosphate is adjusted to 0.50M what is AG? (3 points) c) Why are AG and AG' different? (1 point)
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 second step of glycolysis is the conversion of glucose-6-phosphate to fructose-6-phosphate. What is the ΔG...
The second step of glycolysis is the conversion of glucose-6-phosphate to fructose-6-phosphate. What is the ΔG for this reaction at 25oC, when the glucose-6-phosphate] is 60 mM and the [fructose-6-phosphate] is 40 mM. Note: the ΔGo’ for this reaction is +1.7 kJ/mol (at 25oC). 0.780 kJ/mol 1.26 kJ/mol 1.47 kJ/mol 2.70 kJ/mol 0.695 kJ/mol 2.62 kJ/mol Answer not listed
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...
2. The first step in glycolysis is catalyzed by the enzyme herokinase: glucose + ATP glucose-6-P...
2. The first step in glycolysis is catalyzed by the enzyme herokinase: glucose + ATP glucose-6-P + ADP This reaction can be thought of as two coupled reactions (P is phosphate): (1) glucose + P + glucose-6-P (2) ATP + ADP + P For the overall reaction, AG" = -16.7 kJ/mol. For the hydrolysis of ATP (equation 2), AG = -310 kJ/mol. All reactions are performed at 37°C. (a) What is AGº for reaction 1? Iglucose - 6-11 if AG...
The first reaction in glycolysis is the phosphorylation of glucose:
The first reaction in glycolysis is the phosphorylation of glucose:Pi+glucose⟶glucose−6−phosphate+H2OThis is a thermodynamically unfavorable process, with ΔG∘′=+13.8kJ/mol.Part AIn a liver cell at 37 ∘C the concentrations of both phosphate and glucose are normally maintained at about 5 mM each. =>theequilibrium concentration of glucose-6-phosphate = 1.2*10^-7 MPart BThis very low concentration of the desired product would be unfavorable for glycolysis. In fact, the reaction is coupled to ATP hydrolysis to give the overall reactionATP+glucose⟶glucose−6−phosphate+ADP+H+ΔG∘′ for the coupled reaction is -18.4 kJ/mol
GLYCOLYSIS Glucose-8 phosphate + Glucose 2 Fructose-6-phosphate 3 Fructose-1,6-biphosphate Dihydroxy-acetone-phosphate 5 Glyceraldehyde-3-phosphate VT6 2 (1,3-biphosphoglycerate) 7...
GLYCOLYSIS Glucose-8 phosphate + Glucose 2 Fructose-6-phosphate 3 Fructose-1,6-biphosphate Dihydroxy-acetone-phosphate 5 Glyceraldehyde-3-phosphate VT6 2 (1,3-biphosphoglycerate) 7 3-phosphoglycerate 2-phosphoglycerate 9 phosphoenolpyruvate 10 Lactate Pyruvate Which two reactions of glycolysis requires an investment of ATP energy, and which enzyme catalyzes each reaction? Reaction Number Enzyme Reaction Number Enzyme Which two reactions of glycolysis generate energy in the form of ATP, and which enzyme catalyzes each reaction? Reaction Number Enzyme Reaction Number Enzyme Which glycolytic reaction generates energy in the form of NADH,...
14. The second step of glycolysis is the following reaction: Glucose-6-phosphate = Fructose-6-phosphate At pH 7...
14. The second step of glycolysis is the following reaction: Glucose-6-phosphate = Fructose-6-phosphate At pH 7 and 25 °C, IM of G6P and F6P will equilibrate to [F6P]/[G6P] = 2.43. R, the molar gas constant, is 8.3145 Jmol'K'. A) What is the standard free energy of this reaction at pH 7 and 25 °C? (2 points) B) In the cell the overall AG is -1400 Jmol"!. Calculate the ratio of products to reactants. (2 points)
Question #2 Consider the following reaction: 1. If a solution of fructose-1-phosphate is incubated with a catalytic amo...
Question #2 Consider the following reaction: 1. If a solution of fructose-1-phosphate is incubated with a catalytic amount of enzyme X, the fructose-1-phosphate is transformed to fructose-6-phosphate. At equilibrium, the concentrations of the reaction components are fructose-1-phosphate <> fructose-6-phosphate 10 mM 40 mM a. Calculate K'eq for this reaction at 25°C. b. Calculate AG" for this reaction at 25°C. (use Gas constant-R=8 J/molK) c. If the concentration of fructose-1-phosphate is adjusted to 20 M and the concentration of fructose-6-phosphate is...
Glycolysis is the process by which energy is harvested from glucose by living things. Several of...
Glycolysis is the process by which energy is harvested from glucose by living things. Several of the reactions of glycolysis are thermodynamically unfavorable (nonspontaneous), but proceed when they are coupled with other reactions. Reaction A: P + glucose glucose-6-phosphate +HO AG13.8 kJ/mol Reaction B: P fructose-6-phosphate + fructose-1,6-bisphosphate +1,0 AG 16.3 kJ/mol Reaction C: ATP+H, ADP +P, AG - 30.5 kJ/mol Select every unfavorable reaction. reaction B reaction C reaction A Select every set of coupled reactions where the overall...
The difference between AG and AG' (Basic Applied) In glycolysis the following reaction occurs: Fructose 6-phosphate Glucose 6-phosphate K'eq=1.97 a) What is the AGʻº for the reaction if K'eq is measured at 25°C? (2 points) b) If the concentration of fructose 6-phosphate is 1.5M and that of glucose 6-phosphate is adjusted to 0.50M what is AG? (3 points) c) Why are AG and AG' different? (1 point)
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...
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...
2. The first step in glycolysis is catalyzed by the enzyme herokinase: glucose + ATP glucose-6-P + ADP This reaction can be thought of as two coupled reactions (P is phosphate): (1) glucose + P + glucose-6-P (2) ATP + ADP + P For the overall reaction, AG" = -16.7 kJ/mol. For the hydrolysis of ATP (equation 2), AG = -310 kJ/mol. All reactions are performed at 37°C. (a) What is AGº for reaction 1? Iglucose - 6-11 if AG...
GLYCOLYSIS Glucose-8 phosphate + Glucose 2 Fructose-6-phosphate 3 Fructose-1,6-biphosphate Dihydroxy-acetone-phosphate 5 Glyceraldehyde-3-phosphate VT6 2 (1,3-biphosphoglycerate) 7 3-phosphoglycerate 2-phosphoglycerate 9 phosphoenolpyruvate 10 Lactate Pyruvate Which two reactions of glycolysis requires an investment of ATP energy, and which enzyme catalyzes each reaction? Reaction Number Enzyme Reaction Number Enzyme Which two reactions of glycolysis generate energy in the form of ATP, and which enzyme catalyzes each reaction? Reaction Number Enzyme Reaction Number Enzyme Which glycolytic reaction generates energy in the form of NADH,...
14. The second step of glycolysis is the following reaction: Glucose-6-phosphate = Fructose-6-phosphate At pH 7 and 25 °C, IM of G6P and F6P will equilibrate to [F6P]/[G6P] = 2.43. R, the molar gas constant, is 8.3145 Jmol'K'. A) What is the standard free energy of this reaction at pH 7 and 25 °C? (2 points) B) In the cell the overall AG is -1400 Jmol"!. Calculate the ratio of products to reactants. (2 points)
Question #2 Consider the following reaction: 1. If a solution of fructose-1-phosphate is incubated with a catalytic amount of enzyme X, the fructose-1-phosphate is transformed to fructose-6-phosphate. At equilibrium, the concentrations of the reaction components are fructose-1-phosphate <> fructose-6-phosphate 10 mM 40 mM a. Calculate K'eq for this reaction at 25°C. b. Calculate AG" for this reaction at 25°C. (use Gas constant-R=8 J/molK) c. If the concentration of fructose-1-phosphate is adjusted to 20 M and the concentration of fructose-6-phosphate is...
Glycolysis is the process by which energy is harvested from glucose by living things. Several of the reactions of glycolysis are thermodynamically unfavorable (nonspontaneous), but proceed when they are coupled with other reactions. Reaction A: P + glucose glucose-6-phosphate +HO AG13.8 kJ/mol Reaction B: P fructose-6-phosphate + fructose-1,6-bisphosphate +1,0 AG 16.3 kJ/mol Reaction C: ATP+H, ADP +P, AG - 30.5 kJ/mol Select every unfavorable reaction. reaction B reaction C reaction A Select every set of coupled reactions where the overall...
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