The redox carriers of the electron transport chain that have a tightly bound metal atom responsible for accepting and donating electrons are

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The redox carriers of the electron transport chain that have a tightly bound metal atom responsible for accepting and donating electrons are the cytochromes. The metal atom is typically iron, which can exist in different oxidation states and is responsible for the transfer of electrons. NAD, FAD, and NADP are not redox carriers with tightly bound metal atoms, while flavoproteins may have a bound flavin cofactor but not necessarily a metal atom.

The Redox Carriers of the Electron Transport Chain That Have