Which of the Following Statements About Cytochrome C Is TRUE

question 54

Multiple Choice

Which of the following statements about cytochrome c is TRUE?

• A)Cytochrome c shuttles electrons between the NADH dehydrogenase complex and cytochrome c reductase complex.
• B)When cytochrome c becomes reduced, two cysteines (sulfur-containing amino acids) become covalently bound to a heme group.
• C)The pair of electrons accepted by cytochrome c are added to the porphyrin ring of the bound heme group.
• D)Cytochrome c is the last protein in the electron-transport chain, passing its electrons directly to molecular oxygen, a process that reduces O₂ to H₂O.

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