phototropic bacteria

Thesaurus

Noun

phototropic bacteria - green and purple bacteria; energy for growth is derived from sunlight; carbon is derived from carbon dioxide or organic carbonphototrophic bacteriaeubacteria, eubacterium, true bacteria - a large group of bacteria having rigid cell walls; motile types have flagellapurple bacteria - free-living Gram-negative pink to purplish-brown bacteria containing bacteriochlorophyll