Electron Transport Chain

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Last updated 7:32 PM on 4/7/25
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9 Terms

1
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Electron transport chain

electrons (from NADH and FADH2) are transferred through complexes to produce O2 —> the O2 is used by oxidative phosphorylation to produce ATP

2
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oxidation

gains O2

loses electron

loses H+

this is the reducing agent

3
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reduction

loses O2

gains electron

gains H+

this is the oxidizing agent

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how to calculate G’0

n= # of electrons transferred

F= 23.06

5
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coenzyme Q (ubiquinone)

mobile carrier for electrons

located in IMM

carries 2 electrons

6
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cytochrome c

mobile carrier for electrons

carries one electron

peripheral protein on outer leaflet of IMM

7
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NADH-Q oxidoreductase (complex I)

8
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succinate-Q reductase (complex II)

9
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Q-cytochrome c oxidoreductase (complex III)