Some derive their carbon from inorganic sources, and their hydrogen from hydrogen sulfider or other inorganic compounds, while other bacteria may be photosynthetic or saprobic.

 
  • 某些细菌从无机原料中获取碳源,从硫化氢或其他无机化合物中获取氢,而另一些细菌则是光能合成的或腐生的。
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