Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
End metabolic pathway of electron transport chain (ETC), depicting the reduction of oxygen (O2) to water (H2O), and the formation of reactive oxygen species (ROS) as a consequence of its partial reduction: O2 (Superoxide) H2O2 (hydrogen peroxide), OH (hydroxyl radical). Highlighted in gray are shown the enzymes that catalyze the reactions (SOD:Superoxide Dimutase).
