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Noun: purple bacteria
  1. Free-living Gram-negative pink to purplish-brown bacteria containing bacteriochlorophyll

Type of: phototrophic bacteria, phototropic bacteria

Encyclopedia: Purple bacteria

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purlieu
purlin
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purple apricot
purple avens
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purple beech
purple boneset
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purple clematis
purple clover
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purple emperor
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purple fringeless orchid
purple fringeless orchis