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3. (3 pts) The following amination reaction is catalyzed by the enzyme alanine synthetase ADP +...
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?
The reaction catalysed by pyruvate kinase is: K'eg 3.63 x 105 Phosphoenolpyruvate + ADP -> pyruvate ATP a) Calculate the AG°" for this reaction. Show your working. 3 marks b) The hydrolysis of ATP has following equation: ATP+H20ADP P AG-30.5 kJ/mol Calculate the AG" for the following reaction: Phosphoenolpyruvate -> pyruvate Pi Show your working. 2 marks c) At 37 °C, the steady-state concentrations of phosphoenolpyruvate, ATP, and ADP have been measured to be 23 μΜ, 1.85 mM and 140...
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)...
4. Consider the following reaction: ATP + pyruvate phosphoenolpyruvate + ADP Given: Standard free energy of hydrolysis for ATP to ADP is -30.5 kJ/mol Standard free energy of hydrolysis for phosphenolpyruvate to pyruvate is -61.9 kJ/mol Calculate AGⓇ and Key for this reaction.
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 ~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...
like me to grade. I vow did the take homeow 1. In glycolysis, the enzyme pyruvate the enzyme pyruvate kinase catalyzes this reaction phosphoenolpyruvate + ADP - pyruvate + ATP caction using the information provided a. What is the equilibrium constant for below? (R-8.315 J/mol K; T = 298 K) Reaction 1: ATP - ADP +P Reaction 2: phosphoenolpyruvate vale pyruvate + PAG AG"=-30.5 kJ/mol pyruvate + P AGⓇ = -61.9 kJ/mol ntrations are provided below, what is the actual...
16) In the reaction catalyzed by hexokinase, the two half reactions and their AGº values are as follows. ATP + H20 ADP + P; AG° = -31 kJ/mol Pi + glucose #glucose-6-P + H20 AG°' = +14 kJ/mol The AG°' for the conversion of glucose to glucose-6-P with ATP as the phosphoryl donor is A) -45 kJ/mol B) -17 kJ/mol C) 0 kJ/mol D) 45 kJ/mol E) 17 kJ/mol
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...
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