If palmitic acid is subjected to complete combustion in a bomb calorimeter,one can calculate a standard free energy of combustion of 9788 kJ/mol.From the ATP yield of palmitate oxidation, what is the metabolic efficiencyof the biological oxidation, in terms of kilojoules saved as ATP per kilojoulereleased? (Ignore the cost of fatty acid activation.)

Palmitic acid is a saturated long-chain fatty acid with a 16-carbon backbone. It is found naturally…

Answered: If palmitic acid is subjected to…

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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Similar questions

Calculate the standard free-energy change, deltaG'o, for the reaction in which acetaldehyde is reduced by the biological electron carrier NADH in the reaction acetaldehyde + NADH + H+ → ethanol + NAD+. Then calculate the actual free-energy change, deltaG, when the acetaldehyde is 1.51 M, the NADH is 1.02 M, the ethanol is 0.13 M and the NAD+ is 0.19 M, at 33.35oC and pH = 7. Give the actual free-energy change in kJ/mol to one decimal place. See Table 13-7b for the E'o values.
For a Michaelis-Menten reaction, k₁=5 x 107/M-s, k-1-2 x 104/s, and k2=4 x 10²/s. Calculate the Ks and KM for this reaction. Does substrate binding achieve equilibrium or steady state?
Plants convert carbon dioxide and water to glucose 1C6H12O62 and oxygen in the process of photosynthesis. Write a balanced equation for this reaction, and determine how many moles of CO2 are required to produce 15.0 mol of glucose.
Please provide an explanation for how to work through this practice problem: Using table 12.1, calculate the free energy change for the synthesis of ATP from cAMP and inorganic phosphate. (Note: cAMP is hydolyzed to AMP, and the free engery of hydrolysis for ATP and ADP is approximately equal.) Table 12.1: (Compound: Change in Free Energy in kJ/mol) cAMP: -50.4 Creatine phosphate: -43.3 ATP: -30.5 Glucose 6-phosphate: -13.9 AMP: -9.2
a newly identified bacterium called Nomore biochem is unable to synthesize ubiquinone. A mobile electron carrier called CXC3 is used as a substitute. From the information provided in the table, calculate delta G' and Keq value at 298K for the redox reaction that occurs in the Nomore Biochem electron transport chain. (constants: R=8.3 J/degree x mol, F= 96.1 kJ/v x mol Half Reactions E' (V) ubiquinone + 2e- + 2H+--> Ubiquinol + H2 0.045 NAD+ + 2e- + 2H+ --> NADH + H+ -0.320 CXC3 + 2e- + 2H+ --> CXC3H2 -0.450 explain the impact that using CXC3 instead of ubiquinone will have on ATP production in the cell. How might the cell adapt to this situation?
Use the Michaelis-Menten equation to complete the enzyme kinetic data set, whenKm is known to have a value of 1 mmol L−1 [S] (mmol L−1) Vo (μmol L−1 min−1) 0.5 50 1.0 2.0 3.0 10.0
You obtain a calculated Vmax of 4.26uM/s and a Km of 122.5uM from a kinetics experiment performed using 0.5uM enzyme. What is the catalytic efficiency of this enzyme?
Write a balanced equation for the complete metabolic oxidation of each of the following. Include O, ADP, and P; as reactants and ATP, CO, and H;0 as products. (a) Stearic acid (b) Oleic acid (c) Palmitic acid (d) Linoleic acid
Calculate the free energy change for glucose entry into cells when the extracellular concentration is 4.5 mM and the intracellular concentration is 2.1 mM at 37oC. Express your answer in kJ/mol.
Calculate the overall ΔG° (report up to two decimal places) for the net reaction (see attached image). Answer: _____ kcal/mol Note: R = 1.98 x 10 -3 kcal/mol-K
Find the net potential
Consider the following equilibrium at 298 K. R=8.314 J/K-mol Acetyl-CoA + Oxaloacetate + H20 Citrate + COASH + H* Which one of the following is the correct value for K'eg ifAG" = -32.2 kJ/mol? O 1.11 0.987 1.01 x 10-13 13.0 9.92 x 1012 2480 4.42 x 105 2.27 x 10-6 1.01 -2480 2.56 -13.0 1.08 -0.0130 0.0130 0.926

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