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15. Coupling Redox reactions The top reaction was left out of the table. It is: 1/2O2 + 2H+ H₂O E'o = 0.816 V Determine if the reaction given will proceed in the direction written under standard conditions. Circle YES if it does. Circle NO if it doesn't. E'o acceptor - E'o donor = AE'o AG=-nFAE'o F = Faraday's constant: 96.48 kJ/mol n = # electrons transferred Pyruvate + NADH + H+ → lactate + NAD+ YES NO Pyruvate + B-hydroxybutyrate → lactate + acetoacetate YES NO

15. Coupling Redox reactions The top reaction was left out of the table. It is: 1/2O2 + 2H+ H₂O E'o = 0.816 V Determine if the reaction given will proceed in the direction written under standard conditions. Circle YES if it does. Circle NO if it doesn't. E'o acceptor - E'o donor = AE'o AG=-nFAE'o F = Faraday's constant: 96.48 kJ/mol n = # electrons transferred Pyruvate + NADH + H+ → lactate + NAD+ YES NO Pyruvate + B-hydroxybutyrate → lactate + acetoacetate YES NO

Biology: The Dynamic Science (MindTap Course List)
Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN:9781305389892
Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Chapter2: Life, Chemistry, And Water
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15. Coupling Redox reactions The top reaction was left out of the table. It is: 1202 + 2H+ → H₂O E'o 0.816 V Determine if the reaction given will proceed in the direction written under standard conditions. Circle YES if it does. Circle NO if it doesn't. E'o acceptor - E'o donor = AE'o AG=nFAE'o F = Faraday's constant: 96.48 kJ/mol n = # electrons transferred Pyruvate + NADH + H+ lactate + NAD+ YES NO E. Pyruvate + B-hydroxybutyrate → lactate + acetoacetate YES NO Standard Reduction Potentials of Some Biologically Important Half-Reactions E" (V) 0.816 0.771 NO₂+H₂O 0.421 0.365 0.36 0.35 0.295 0.29 0.254 0.22 0.077 0.045 0.031 0.000 -0.015 -0.166 -0.185 -0.197 -0.219 -0.243 -0.29 -0.320 -0.324 -0.346 -0.38 -0.414 -0.432 TABLE 13-7 Half-reaction Fe +e-Fe" NO, +2H+2e Cytochrome f(Fe) + → cytochrome f(Fe**) Fe(CN) (ferricyanide) + e Cytochrome a, (Fe) +→ cytochrome a, (Fe²*) O₂ + 2H+2e-H₂O, Cytochrome a (Fe) +e- cytochrome a (Fe²) Cytochrome c (Fe) + e cytochrome c (Fe**) Cytochrome c, (Fe)+c ubiquinol cytochrome c, (F²) Cytochrome b (Fe) +e cytochrome b (Fe**) Ubiquinone +2H* +2e Fumarate +244 +2e succinate 2H+2e-H, (at standard conditions, pH 0) Crotonyl-CoA +254 +2e-butyryl-CoA Oxaloacetate +244 +2e malate Pyruvate +2H +2e lactate +2e-ethanol Acetaldehyde +2 FAD+24+2e Glutathione +24² +2e FADH, 2 reduced glutathione 5+2 +2e-HS Lipoic acid +2 +2edihydrolipoic acid NAD+H+2e-NADH NADP+H+Ze-NADPH Acetoacetate +244 +2e B-hydroxybutyrate a-Ketoglutarate+CO₂ + 2H+2e →→ isocitrate 2H+2e H, (at pH 7) Ferredoxin (Fe)+eferredoxin (Fe**) Fe(CN)
Transcribed Image Text:15. Coupling Redox reactions The top reaction was left out of the table. It is: 1202 + 2H+ → H₂O E'o 0.816 V Determine if the reaction given will proceed in the direction written under standard conditions. Circle YES if it does. Circle NO if it doesn't. E'o acceptor - E'o donor = AE'o AG=nFAE'o F = Faraday's constant: 96.48 kJ/mol n = # electrons transferred Pyruvate + NADH + H+ lactate + NAD+ YES NO E. Pyruvate + B-hydroxybutyrate → lactate + acetoacetate YES NO Standard Reduction Potentials of Some Biologically Important Half-Reactions E" (V) 0.816 0.771 NO₂+H₂O 0.421 0.365 0.36 0.35 0.295 0.29 0.254 0.22 0.077 0.045 0.031 0.000 -0.015 -0.166 -0.185 -0.197 -0.219 -0.243 -0.29 -0.320 -0.324 -0.346 -0.38 -0.414 -0.432 TABLE 13-7 Half-reaction Fe +e-Fe" NO, +2H+2e Cytochrome f(Fe) + → cytochrome f(Fe**) Fe(CN) (ferricyanide) + e Cytochrome a, (Fe) +→ cytochrome a, (Fe²*) O₂ + 2H+2e-H₂O, Cytochrome a (Fe) +e- cytochrome a (Fe²) Cytochrome c (Fe) + e cytochrome c (Fe**) Cytochrome c, (Fe)+c ubiquinol cytochrome c, (F²) Cytochrome b (Fe) +e cytochrome b (Fe**) Ubiquinone +2H* +2e Fumarate +244 +2e succinate 2H+2e-H, (at standard conditions, pH 0) Crotonyl-CoA +254 +2e-butyryl-CoA Oxaloacetate +244 +2e malate Pyruvate +2H +2e lactate +2e-ethanol Acetaldehyde +2 FAD+24+2e Glutathione +24² +2e FADH, 2 reduced glutathione 5+2 +2e-HS Lipoic acid +2 +2edihydrolipoic acid NAD+H+2e-NADH NADP+H+Ze-NADPH Acetoacetate +244 +2e B-hydroxybutyrate a-Ketoglutarate+CO₂ + 2H+2e →→ isocitrate 2H+2e H, (at pH 7) Ferredoxin (Fe)+eferredoxin (Fe**) Fe(CN)
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