Question

Cytochrome oxidase belong to the major class of ________.

• A. proteins
• B. carbohydrates
• C. nucleic acids
• D. none of the above

Answer 1

The correct option is A proteins

Cytochrome oxidase belong to the major class of proteins. Cytochrome oxidase, the enzyme Cytochrome c oxidase or Complex $IV$, EC $\mathrm{1.9.3.1}$ is a large transmembrane protein complex found in bacteria, archaea, and in eukaryotes in their mitochondria.