phototropic bacteria

Definitions of phototropic bacteria
  1. noun
    green and purple bacteria; energy for growth is derived from sunlight; carbon is derived from carbon dioxide or organic carbon
    synonyms: phototrophic bacteria
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    purple bacteria
    free-living Gram-negative pink to purplish-brown bacteria containing bacteriochlorophyll
    type of:
    eubacteria, eubacterium, true bacteria
    a large group of bacteria having rigid cell walls; motile types have flagella
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