. For parts (a) and (b) of this problem use the following standardreduction potentials, free energies, and nonequilibrium concentra-tions of reactants and products:АТР - 3.10 mмP; = 5.90 mMADP = 220 µMglucose = 5.10 mMpyruvate = 62.0 uMNAD+ = 350 µMNADH =15.0 μΜCO, = 15.0 torrhalf reactionE (V)NAD+ + H+ + 2e→ NADH-0.3152Pyruvate + 6H* + 4e →glucose-0.590pyruvate + NADH + 2H+AG" = -64.4 k)/mol→ ethanol + NAD+ + CO,ATP + H,0→ ADP + P; + H*AG"- 30.5 kl/mol(a) Consider the last two steps in the alcoholic fermentation of glu-cose by brewer's yeast:pyruvate + NADH + 2H* » ethanol + NAD* + CO,Calculate the nonequilibrium concentration of ethanol in yeast cells,if AG = -38.3 kJ/mol for this reaction at pH=7.4 and 37 °C whenthe reactants and products are at the concentrations given above.(b) Consider the degradation of glucose to pyruvate by the glycolyticpathway:glucose + 2ADP + 2P; + 2NAD+ →2 pyruvate + 2ATP+ 2H,0 + 2NADH + 2H*Calculate AG for this reaction at pH =7.4 and 37 °C.

The equilibrium constant of a chemical reaction is the value of its reaction quotient at chemical…

Answered: . For parts (a) and (b) of this problem…

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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