This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
A relatively component of the electron transporting respiratory chain is 
Select and explain. 
A. Flavoprotein, B. Cytochrome C1, C. Ubiquinone, D. Cytochrome A
C: Ubiquinone
Answer: C: Ubiquinone 
Explanation: None