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.
Source: <a href="//commons.wikimedia.org/wiki/User:LadyofHats" title="User:LadyofHats">LadyofHats</a> Mariana Ruiz Villarreal. This work: <a href="//commons.wikimedia.org/wiki/User:Calvero" title="User:Calvero">Calvero</a>
2011-07-26
<a href="//commons.wikimedia.org/wiki/File:Scheme_sodium-potassium_pump-en.svg" title="File:Scheme sodium-potassium pump-en.svg">File:Scheme_sodium-potassium_pump-en.svg</a>