Homework Answers
standard free energy change is additive here free energy change of ATP hydrolysis is used in the synthesis of creatine phosphate so only 30.5kJ.mol is released upon ATP hydrolysis and for the formation of creatine phosphate requires 40.3 kJ/mol so it requires 40.3kJ/mol-30.5kj/mol=12.6 kJ/mol so this reaction requires extra 12.6 kJ/mol so answer is b)12.6 kJ/mol
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10) The AG for the hydrolysis of creatine phosphate is -43.1 k/mol, whereas the AG for...
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?
To answer this question, please reference the Problem Solving Video: Free Energy, ATP, and Creatine in...
To answer this question, please reference the Problem Solving Video: Free Energy, ATP, and Creatine in Resting Muscles. The standard free energy, AGⓇ', value for an enzymatic reaction with several al components is the sum of the AGⓇ values for each component. Creatine kinase catalyzes the transfer of a phosphate group from creatine phosphate to ADP to form ATP. Standard Free Energy of Hydrolysis Standard E Compound kJ.mol-1 creatine phosphate -43.1 ATP (to ADP) -30.5 creatine phosphate +H,0 creatine +...
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
2. Hydrolysis of 0.5 M studentose catalyzed by teacherase to become successose is 95% complete at...
2. Hydrolysis of 0.5 M studentose catalyzed by teacherase to become successose is 95% complete at equilibrium (i.e., only 5% of the studentose remains). What is AG"? (R = 8.315 J/mol K; T = 298 K) 3. The standard free-energy changes for the reactions below are given. Phosphocreatine creatine + Pi AG"=-43.0 kJ/mol ATP → ADP + Pi AG" = -30.5 kJ/mol The overall AG" for the reaction: Phosphocreatine + ADP creatine + ATP, is _ A) -73.5 kJ/mol C)...
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...
stion 8 of 25 > The table lists the standard free energies of hydrolysis (AGⓇ) of...
stion 8 of 25 > The table lists the standard free energies of hydrolysis (AGⓇ) of some phosphorylated compounds. Compound kJ mol kcal mol-1 Phosphoenolpyruvate (PEP) -61.9 --14.8 1,3-Bisphosphoglycerate (1,3-BPG) -49.4 - 11.8 Creatine phosphate -43.1 ATP (to ADP) -30.5 -7.3 Glucose 1-phosphate -20.9 -5.0 Pyrophosphate (PP) Glucose 6-phosphate Glycerol 3-phosphate -9.2 -2.2 10.3 -4.6 -13.8 3.3 What is the direction of each of the following reactions when the reactants are initially present in equimolar amounts? The reaction ATP+H,O -...
please help! thanks TABLE 12-4 Standard Free Energy Change for Phosphate Hydrolysis Compound AGⓇ' (kJ. mol-')...
please help! thanks
TABLE 12-4 Standard Free Energy Change for Phosphate Hydrolysis Compound AGⓇ' (kJ. mol-') Phosphoenolpyruvate -61.9 1,3-Bisphosphoglycerate -49.4 ATP → AMP + PP, -45.6 Phosphocreatine -43.1 ATP ADP + P -30.5 Glucose-1-phosphate -20.9 PP, 2P, -19.2 Glucose-6-phosphate -13.8 Glycerol-3-phosphate -9.2 thioester bond AGⓇ' = -31.5 kJ•mol-1 H20 O CH3 -C-s-CoA I CH3 -C-0- + COA-SH Acetyl-CoA The formation of acetyl CoA from acetate is an ATP driven reaction: Acetate + ATP + COA <--> acetyl COA + AMP...
1. Referring to Table 1, calculate the AGº' for the reactions shown and predict whether they...
1. Referring to Table 1, calculate the AGº' for the reactions shown and predict whether they will proceed spontaneously. SHOW ALL WORK AND EXPLAIN YOUR RESPONSES. (6 points) TABLE 1 Organophosphate ATP Creatine Phosphate Glycerol-3-phosphate AGⓇ of hydrolysis (kJ mol!) -30.5 -43.1 -9.7 a) ATP + Creatine → Creatine phosphate + ADP b) ATP + Glycerol → Glycerol-3-phosphate + ADP
For the reaction ATP(aq) + H200) <-> ADP(aq) + phosphate (aq), AG° = -30.5 kJ/mol. What...
For the reaction ATP(aq) + H200) <-> ADP(aq) + phosphate (aq), AG° = -30.5 kJ/mol. What is the value of AG in at 310K assuming (ATP] = 0.25M and [ADP] = [phosphate] = 0.030M? -45.0 kJ -1.45 x 104 kJ +16.0 kJ insufficient information or none of these
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...
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?
To answer this question, please reference the Problem Solving Video: Free Energy, ATP, and Creatine in Resting Muscles. The standard free energy, AGⓇ', value for an enzymatic reaction with several al components is the sum of the AGⓇ values for each component. Creatine kinase catalyzes the transfer of a phosphate group from creatine phosphate to ADP to form ATP. Standard Free Energy of Hydrolysis Standard E Compound kJ.mol-1 creatine phosphate -43.1 ATP (to ADP) -30.5 creatine phosphate +H,0 creatine +...
2. Hydrolysis of 0.5 M studentose catalyzed by teacherase to become successose is 95% complete at equilibrium (i.e., only 5% of the studentose remains). What is AG"? (R = 8.315 J/mol K; T = 298 K) 3. The standard free-energy changes for the reactions below are given. Phosphocreatine creatine + Pi AG"=-43.0 kJ/mol ATP → ADP + Pi AG" = -30.5 kJ/mol The overall AG" for the reaction: Phosphocreatine + ADP creatine + ATP, is _ A) -73.5 kJ/mol C)...
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...
stion 8 of 25 > The table lists the standard free energies of hydrolysis (AGⓇ) of some phosphorylated compounds. Compound kJ mol kcal mol-1 Phosphoenolpyruvate (PEP) -61.9 --14.8 1,3-Bisphosphoglycerate (1,3-BPG) -49.4 - 11.8 Creatine phosphate -43.1 ATP (to ADP) -30.5 -7.3 Glucose 1-phosphate -20.9 -5.0 Pyrophosphate (PP) Glucose 6-phosphate Glycerol 3-phosphate -9.2 -2.2 10.3 -4.6 -13.8 3.3 What is the direction of each of the following reactions when the reactants are initially present in equimolar amounts? The reaction ATP+H,O -...
please help! thanks
TABLE 12-4 Standard Free Energy Change for Phosphate Hydrolysis Compound AGⓇ' (kJ. mol-') Phosphoenolpyruvate -61.9 1,3-Bisphosphoglycerate -49.4 ATP → AMP + PP, -45.6 Phosphocreatine -43.1 ATP ADP + P -30.5 Glucose-1-phosphate -20.9 PP, 2P, -19.2 Glucose-6-phosphate -13.8 Glycerol-3-phosphate -9.2 thioester bond AGⓇ' = -31.5 kJ•mol-1 H20 O CH3 -C-s-CoA I CH3 -C-0- + COA-SH Acetyl-CoA The formation of acetyl CoA from acetate is an ATP driven reaction: Acetate + ATP + COA <--> acetyl COA + AMP...
1. Referring to Table 1, calculate the AGº' for the reactions shown and predict whether they will proceed spontaneously. SHOW ALL WORK AND EXPLAIN YOUR RESPONSES. (6 points) TABLE 1 Organophosphate ATP Creatine Phosphate Glycerol-3-phosphate AGⓇ of hydrolysis (kJ mol!) -30.5 -43.1 -9.7 a) ATP + Creatine → Creatine phosphate + ADP b) ATP + Glycerol → Glycerol-3-phosphate + ADP
For the reaction ATP(aq) + H200) <-> ADP(aq) + phosphate (aq), AG° = -30.5 kJ/mol. What is the value of AG in at 310K assuming (ATP] = 0.25M and [ADP] = [phosphate] = 0.030M? -45.0 kJ -1.45 x 104 kJ +16.0 kJ insufficient information or none of these
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...
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