Example of primary active transport, where energy from hydrolysis of ATP is directly coupled to the movement of a specific substance across a membrane independent of any other species.
<ul><li><a href="//commons.wikimedia.org/wiki/File:Scheme_sodium-potassium_pump-en.svg" title="File:Scheme sodium-potassium pump-en.svg">Scheme_sodium-potassium_pump-en.svg</a>: <a href="//commons.wikimedia.org/wiki/User:LadyofHats" title="User:LadyofHats">LadyofHats</a> Mariana Ruiz Villarreal</li>
<li>derivative work: <a href="//commons.wikimedia.org/wiki/User:Giac83" title="User:Giac83">Giac</a><b><a href="//commons.wikimedia.org/wiki/User_talk:Giac83" title="User talk:Giac83">83</a></b></li></ul>
2009-03-14 10:23
<ul><li><a href="//commons.wikimedia.org/wiki/File:Scheme_sodium-potassium_pump-en.svg" title="File:Scheme sodium-potassium pump-en.svg">Scheme_sodium-potassium_pump-en.svg</a></li></ul>