Which Statement Is False About Complex IV

question 25

Multiple Choice

Which statement is false about complex IV?

• A) A binuclear center that contains an iron ion and heme-a₃ is the site of the reduction of molecular oxygen to water.
• B) Bacterial and eukaryotic forms of complex IV have very similar structures and number of subunits per functional unit.
• C) The core structure of the cytochrome c oxidase in complex IV has three conserved subunits.
• D) Copper ions shift from a +2 oxidation state to a +1 oxidation state as electrons are passed through the complex.

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