Medical dictionary. 2011.
purple bacterium — n any of various free living bacteria that contain bacteriochlorophyll marked by purplish or sometimes reddish or brownish pigments * * * a photosynthetic bacterium that reduces CO2 in the presence of sulfur compounds; there are two types: the… … Medical dictionary
bacteria — bacterial, adj. bacterially, adv. /bak tear ee euh/, n.pl., sing. bacterium / tear ee euhm/. ubiquitous one celled organisms, spherical, spiral, or rod shaped and appearing singly or in chains, comprising the Schizomycota, a phylum of the kingdom … Universalium
Metabolism — Cell metabolism redirects here. For the journal, see Cell Metabolism. Structure of adenosine triphosphate, a central intermediate in energy metabolism Metabolism (from Greek: μεταβολή metabolē , change or Greek: μεταβολισμός metabolismos,… … Wikipedia
