Macmillan LearningWhich of the reactions are spontaneous (favorable)?L-malate + NAD+ oxaloacetate + NADH + H+ AG = 29.7 kJ/molAG = 3.8 kJ/molDHAP glyceraldehyde-3-phosphateC₂H₂ + H₂ C₂H6 AG = -150.97 kJ/molglutamate + NAD+ + H₂O NH + a-ketoglutarate + NADH + H+C6H1309P + ATP C6H14012P2 + ADP AG = -14.2 kJ/molC₂H₂05 C₂H₂O4+H₂O AG= 3.1 kJ/molRh(I)AG = 3.7 kcal/mol

Gibbs free energy change (ΔG) is a thermodynamic quantity that represents the maximum reversible…

Answered: Which of the reactions are spontaneous…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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Which of the following statements inaccurately describes glutamate dehydrogenase? Glutamate dehydrogenase uses either NAD+ or NADP+ in a redox reaction Glutamate dehydrogenase catalyzes an oxidative deamination reaction Glutamate dehydrogenase equilibrium lies with the reductive amination of glutamate Glutamate dehydrogenase utilizes hydrolysis to release ammonium from an imine intermediate
Using the glycerol-3-phosphate shuttle, determine how many ATP can be produced from one mole of each of the following compounds on complete oxidation? a.) Mannose b.) Dihydroxyacetone phosphate c.) Citrate d.) Malate e.) Succinate Answers vary between 32 moles, 32 moles, 16 moles, 10 moles, 4 moles, and 2.5 moles
A figure of the energy payoff phase of glycolysis is shown below. Look at the reaction labelled with a 6 (on the far left), which involves the conversion of glyceraldehyde-3-phosphate to 1,3-bisphosphoglycerate. reduced? HC O CHOH CH₂O-P Glycer- aldehyde 3-phosphate (G3P) 2 NADH 2 NAD+ + 2 H+ Triose phosphate 2 P₁ dehydrogenase Copyright © 2018 Pearson Canada Inc. P CHOH CH₂0-P 1,3-Bisphospho- glycerate 1,3- bisphosphoglycerate NADH NAD+ 2 ADP GLYCOLYSIS: Energy Payoff Phase Glyceraldehyde-3-phosphate 2 ATP Phospho- glycerokinase 2 Which of the compounds is C=O CHOH H–CO- P Phospho- CH₂0-P glyceromutase CH₂OH 8 3-Phospho- glycerate C=O 2-Phospho- glycerate 2. ATP 2 ADP BYD Pyruvate kinase 10 2 H₂O Enolase 2 C=O CO-P CH2 Phosphoenol- pyruvate (PEP) CH3 Pyruvate
The phosphorylation and oxidative decarboxylation of oxaloacetate by inorganic phosphate (Pi) to make phosphoenolpyruvate and carbon dioxide is endergonic under intracellular conditions. It is characterized by this equation: Oxaloacetate + Pi ←→ Phosphoenolpyruvate + H2O + CO2 ΔG’ = +24.6 kJ/mol The synthesis of GTP from GDP and inorganic phosphate (Pi) in solution is endergonic under intracellular conditions, and it is characterized by this equation: GDP + Pi ←→ GTP + H2O ΔG’ = +30.5 kJ/mol Write a new net thermodynamically coupled reaction equation that describes the synthesis of phosphoenolpyruvate from oxaloacetate using the hydrolysis of GTP to power the reaction and calculate the new net ΔG’ of this reaction. Show all of your work.
Write the coupled reaction that would occur spontaneously for the following pairs of molecules under standard condition: Oxaloaxcetate and NAD+
Consider the malate dehydrogenase reaction from the citric acid cycle. Given the listed concentrations, calculate the free energy change for this reaction at energy change for this reaction at 37.0 ˚C (310 K). AG' for the reaction is +29.7 kJ/mol. Assume that the reaction occurs at pH 7. [malate] = 1.45 mM AG: [oxaloacetate] = 0.130 mM [NAD+ ] = 110 mM [NADH] = 44 mM 47.06 Incorrect kJ.mol-1
Refer to the figure shown here, and determine the value of E for the overall oxidation/reduction reaction (refer to the book/lecture slides if you need help with the overall reaction). 121/202 + 2H+ + 2e → H₂0 NAD + H* + 2e → NADH O-1.136 volts O 0.496 volts O+1.136 volts voltsm -0.496 volts EU (volts) +0.816 - 0.320
Determine whether the following reactions will be spontaneous under standard biochemical conditions. Include calculations for Delta G in your answer. Use Table 13-7 in your textbook to help you.a) 2NADH + 2H+ + O2 --> 2NAD+ + 2H2Ob) Malate + FAD --> Oxaloacetate + FADH2c) Pyruvate + H2S --> Lactate + S
The oxidation of Gly-3-P to 1,3-bisphosphoglycerate proceeds with an unfavorable AG which equals 6.3 KJ/mol, yet the flow through this point in the glycolytic pathway proceeds smoothly. Why???
The reaction pictured is an oxidation-reduction reaction in the citric acid cycle in which the energy-carrier molecule NADH is generated. Identify which molecule in the reaction will be oxidized and which molecule will be reduced. Place a single answer choice in each box. COO- HO-C-H H-C-H COO- Malate NAD+ NADH + H+ Oxidized malate oxaloacetate COO- H-C-H ī COO- Oxaloacetate Reduced NADH NAD+
The coenzyme NAD+ is required for which glycolytic reaction shown below? Oglyceraldehyde-3-P→ 1,3-bisphosphoglycerate glucose glucose-6-P fructose-6-P→ fructose-1,6-BP 2-phosphoglycerate → phosphoenolpyruvate
Under standard conditions, will the following reactions proceed spontaneously as written? (1) Fumarate + NADH + H+ (2) succinate + NAD+ Cyto a (Fe²+) + cyto b (Fe³+) = cyto a (Fe³+) + cyto 6 (Fe²+) b

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