Fig. 2: Diagram representation of the electron transport chain (ETC).

Regions of the mitochondria are noted. Complexes I-V are labeled. Minus signs represent the flow of electrons. Q; coenzyme Q, C; cytochrome C.

Regions of the mitochondria are noted. Complexes I-V are labeled. Minus signs represent the flow of electrons. Q; coenzyme Q, C; cytochrome C.