The standard reduction potentials for some important cellular compounds are shown below. Half-Reaction go' (V) O₂+ 2H + 2 e H₂O 0.815 Cytochrome a3 (Fe3+) + e¯ = cytochrome a3 (Fe2+) 0.385 Cytochrome a (Fe3+)+ e cytochrome a (Fe2+) 0.29 Cytochrome c (Fe3+)+ e cytochrome c (Fe2+) 0.235 Cytochrome c₁ (Fe3+) + e cytochrome c₁ (Fe2+) 0.22 Cytochrome b (Fe3+) + e cytochrome b (Fe2+) 0.077 Ubiquinone +2 H+ + 2e ubiquinol 0.045 Fumarate + 2H + 2 e succinate 0.031 FAD +2 H+ + 2e FADH2 (in flavoproteins) ~0. NAD+H+2 e NADH -0.315 NADP+ + H+ + 2 e¯ = NADPH -0.320 Based on this information, you can conclude that reduction is most favorable for NADH Oxygen Cytochrome C H+

Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
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Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
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The standard reduction potentials for some important cellular compounds are shown
below.
Half-Reaction
go' (V)
O₂+ 2H + 2 e
H₂O
0.815
Cytochrome a3 (Fe3+) + e¯ =
cytochrome a3 (Fe2+) 0.385
Cytochrome a (Fe3+)+ e
cytochrome a (Fe2+)
0.29
Cytochrome c (Fe3+)+ e
cytochrome c (Fe2+)
0.235
Cytochrome c₁ (Fe3+) + e
cytochrome c₁ (Fe2+)
0.22
Cytochrome b (Fe3+) + e
cytochrome b (Fe2+)
0.077
Ubiquinone +2 H+ + 2e
ubiquinol
0.045
Fumarate + 2H + 2 e
succinate
0.031
FAD +2 H+ + 2e
FADH2 (in flavoproteins) ~0.
NAD+H+2 e
NADH
-0.315
NADP+ + H+ + 2 e¯ = NADPH
-0.320
Based on this information, you can conclude that reduction is most favorable for
NADH
Oxygen
Cytochrome C
H+
Transcribed Image Text:The standard reduction potentials for some important cellular compounds are shown below. Half-Reaction go' (V) O₂+ 2H + 2 e H₂O 0.815 Cytochrome a3 (Fe3+) + e¯ = cytochrome a3 (Fe2+) 0.385 Cytochrome a (Fe3+)+ e cytochrome a (Fe2+) 0.29 Cytochrome c (Fe3+)+ e cytochrome c (Fe2+) 0.235 Cytochrome c₁ (Fe3+) + e cytochrome c₁ (Fe2+) 0.22 Cytochrome b (Fe3+) + e cytochrome b (Fe2+) 0.077 Ubiquinone +2 H+ + 2e ubiquinol 0.045 Fumarate + 2H + 2 e succinate 0.031 FAD +2 H+ + 2e FADH2 (in flavoproteins) ~0. NAD+H+2 e NADH -0.315 NADP+ + H+ + 2 e¯ = NADPH -0.320 Based on this information, you can conclude that reduction is most favorable for NADH Oxygen Cytochrome C H+
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