oxidative phosphorylation

electron-transport chain

cellular respiration

reduction (redox, oxidation–reduction,E′₀) potential

flavin mononucleotide (FMN)

iron–sulfur (nonheme-iron) protein

coenzyme Q (Q, ubiquinone)

Q pool

NADH-Q oxidoreductase (Complex I)

succinate-Q reductase (Complex II)

Q-cytochrome c oxidoreductase (Complex III)

cytochrome c (Cyt c)

Q cycle

cytochrome c oxidase (Complex IV)

superoxide dismutase

catalase