Cytochrome Oxidase is a: (A) Hemoprotein, (B) Flavin mononucleotide, (C) Flavin adenine dinucleotide, (D) flavin adenine trinucleotide
Answer is A. Cytochrome oxidase is a hemoprotein widely distributed in many tissues, having the typical heme prosthetic group present in myoglobin, hemoglobin, and other cytochromes.Ref: Harper Biochemistry; 30th edition; Chapter 12; Biologic Oxidation