Schematic diagram of the <a href="https://en.wikipedia.org/wiki/mitochondrion" class="extiw" title="w:mitochondrion">mitochondrial</a> <a href="https://en.wikipedia.org/wiki/electron_transport_chain" class="extiw" title="w:electron transport chain">electron transport chain</a>.
<ul><li><a href="//commons.wikimedia.org/wiki/File:Mitochondrial_electron_transport_chain%E2%80%94Etc4.svg" title="File:Mitochondrial electron transport chain—Etc4.svg">Mitochondrial_electron_transport_chain—Etc4.svg</a>: <a href="//commons.wikimedia.org/wiki/User:Fvasconcellos" title="User:Fvasconcellos">Fvasconcellos</a> 22:35, 9 September 2007 (UTC)</li>
<li>derivative work: <a href="//commons.wikimedia.org/wiki/User:Lucien_leGrey" title="User:Lucien leGrey">Lucien</a> <small>(<a href="https://es.wikipedia.org/wiki/Usuario_Discusi%C3%B3n:Lucien_leGrey" class="extiw" title="es:Usuario Discusión:Lucien leGrey">es</a>·<a href="https://meta.wikimedia.org/wiki/User_talk:Lucien_leGrey" class="extiw" title="m:User talk:Lucien leGrey">m</a>·<a href="//commons.wikimedia.org/wiki/User_talk:Lucien_leGrey" title="User talk:Lucien leGrey">com</a>)</small></li></ul>
<ul><li><a href="//commons.wikimedia.org/wiki/File:Mitochondrial_electron_transport_chain%E2%80%94Etc4.svg" title="File:Mitochondrial electron transport chain—Etc4.svg">Mitochondrial_electron_transport_chain—Etc4.svg</a></li></ul>