There are probably thousands of kinds of metabolisms, or chemical processes that maintain life, said Donald Canfield, a ...

This mechanism links the gradual oxidation of electron donors in the electron transport chain to the pumping of protons through the membrane, generating the electrochemical gradient required for ...

electron transfer flavoprotein (ETFP), and ETFP-ubiquinone oxidoreductase in yellow and orange; ubiquinone in green labeled with a Q; cytochrome c reductase in light blue; cytochrome c in dark ...