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10 Cards in this Set
- Front
- Back
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Complex I or NADH Dehydrogenase or NADH-CoQ reductase
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Substrate: NADH
Product: QH2 Acceptor: CoQ Cofactors: FMN, FeS |
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Complex II or Succinate
dehydrogenase, Succinate-CoQ reductase |
Substrate: succinate
product: Fumerate + QH2 Acceptor: CoQ Cofactors: FAD Does not pump H across the membrane |
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Complex III or cytochrome b-c complex, Cytochrome C-CoQ reductase
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Substrate: QH2
product: reduced cytochrome c acceptor: cytochrome C Cofactors: cyt b, cyt c, Fe-S |
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Complex IV or cytochrome aa complex, cytochrome oxidase
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Substrates: Cyto. c, O2
Product: H2O Cofactors: Cu, cyt. a, a3 |
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What is the product of complex I and II and a substrate to complex III?
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QH2
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What are the carriers for Category I?
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H & e-
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What are the cofactors for Category I?
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FMN & FAD, Q10
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What are the carriers for Category II?
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electrons only
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What are the cofactors for Category II?
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Fe in Hemeoglobin
Heme cytochromes Fe-S Cu |
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Complex V or ATP Synthase
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Complexes establish a proton gradient across inner Mt. membrane. Complex V is where coupling takes place.
Substrate: ADP Product: ATP Cofactors: none |
