8) (30 points) The AG° of hydrolysis for glucose 1--phosphate is -20.9 kJ/mol. The AG° of...
The hydrolysis of glucose-1-phosphate to glucose and phosphate has a DG°’ of -20.9 kJ/mol. What is the DG when [G1P] = 5 mM, [Glucose] = 7.5 mM and [Pi] = 2500 mM?
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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...
The formation of glucose-1-phosphate from glucose and orthophosphate has a G of + 20.9 kJ/mol. If this reaction were coupled to another reaction in order to produce an exergonic reaction, which of the following would produce an overall endergonic reaction and therefore not be suitable for coupling? A) creatine phosphate + H2O creatine + Pi B) AMP + H2O adenosine + Pi C) ATP + H2O AMP + PPi D) ATP + H2O ADP + Pi...
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 -...
In the first step of glycolysis, the given two reactions are
coupled...
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In the first step of glycolysis, the given two reactions are coupled. reaction 1 glucose P АТР + H,О AG+13.8 kJ/mol AG 30.5 kJ/mol glucose-6-phosphate +H20 ADPP reaction 2: Answer the four questions about the first step of glycolysis Is reaction 2 spontaneous or nonspontaneous? nonspontaneous spontaneous Complete the net chemical equation АТР+ + glucose Calculate the overall AG for the coupled reaction. glucose-6-phosphate ADP AG...
In the first step of glycolysis, the given two reactions are coupled. reaction 1: reaction 2: glucose +P: ATP + H2O glucose-6-phosphate + H,O + ADP + P AG = +13.8 kJ/mol AG = -30.5 kJ/mol Answer the four questions about the first step of glycolysis. Is reaction 2 spontaneous or nonspontaneous? O nonspontaneous O spontaneous Complete the net chemical equation. ATP+ + Calculate the overall AG for the coupled reaction. AG = kJ/mol Is the first step in glycolysis...
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...
Shown is acetyl phosphate. Say a new enzyme uses acetyl
phosphate to phosphorylate ADP to make ATP (acetyl phosphate + ADP
—> acetate + ATP). What is the standard free energy change of
this reaction?
CH3 Table 13-2 Standard Free Energies of Phosphate Hydrolysis of Some Compounds of Biological Interest AGo (kJ mol 1) 61.9 -49.4 45.6 43.1 -43.1 30.5 -20.9 19.2 13.8 13.8 -9.2 Compound Phosphoenolpyruvate 1,3-Bisphosphoglycerate ATP AMP + PP,) Acetyl phosphate Phosphocreatine ATP ㈠ ADP + Pi)...
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...
hapter 8 Multiple Choice Question 88 Part A Calculate AG for the reaction below and tell whether it is spontaneous or nonspontaneous under standard conditions at 25 C. 2 S(s) +3 02(g) + 2 H20()-2 H2SO4() AS =-505 J/mol AH-1056 kJ/mol AG=-1207 kJ and the process is spontaneous. AG =-906 kJ and the process is spontaneous AG = -906 kJ and the process is nonspontaneous AG=-1207 kJ and the process is nonspontaneous Submit Request Answer Provide Feedback