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 Bacteria and Archea

__Characteristics of Holobacterium__: - Single-celled prokaryote - Domain Archea - Contains red membrane pigment, bacteriorhodopsin, that uses light energy to drive ATP synthesis. -Among the organisms that are most resistant to salty environments. It achives this by pumping potassium ions into the cell until achieving an equilibrium of ions inside and outsite the cell.
 * Holobacterium is the name of this bacterium which, among other things, produce the typical red color of the saltwaters .**
 * It was taken in Salinas Marchamalo (Murcia). **