Flow of electrons through the electron transport chain. Match the mobile electro

Question

Flow of electrons through the electron transport chain. Match the mobile electron carriers below with their roles in electron transport of oxidative phosphorylation. You will use some electron carriers more than once and some spaces will require more than one answer. Pay close attention to the redox state of each electron carrier below and enter each carrier accordingly. Oxidized Coenzyme Q (Q) FADH_2 Reduced Coenzyme Q (QH_2) NAD^+ Oxidized Cytochrome c (cyt_ox) NADU Reduced Cytochrome c (cyt_rad) O_2 FAD H_2O Electron Carriers and transport: Electron Carrier Role in electron transport: initial electron acceptor(s) in the oxidation of carbon fuels Initial electron donor(s) in electron transport Oxidized by Complex I (NADH-Q oxidoreduclase) Reduced by Complex I (NADH-Q oxidoreduclase) Oxidized by Complex II (succinate-Q reductase) Reduced by Complex II (succinate-Q reductase) Oxidized by Complex III (Q- cytochrome c oxidoreductase) Reduced by Complex III (Q- cyt

Explanation / Answer

Oxygen initial electron acceptor during oxidation of carbon fuels.

NADH initial electron donor in eletron transport.

NADH oxi dized by Complex I(NADH Q oxido reductase).

Oxidized coenzyme Q is reduced by Complex I(NADH Q oxido reductase).

FADH2 is oxidized by Complex II.

Oxidized coenzyme Q is reduced by Complex II.

Reduced ucoenzyme Q is oxidized by Complex III

Oxidized Cytochrome c is reduced by Complex III.

Reduced cytochrome c is oxidized by complex IV.

Oxygen is reduced by complex !V.

oxygen is terminal electron acceptor in electron transport.

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