Scientist Van Niel (1935) observed the photosynthesis of sulfur bacteria. Sulfur bacteria use hydrogen sulfide (H2S) instead of H2O in photosynthesis. That is, sulfur bacteria produce sugars using CO2 and H2S. O2 is not produced as H2O is not used.
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Scientist Van Niel (1935) observed the photosynthesis of sulfur bacteria. Sulfur bacteria use hydrogen sulfide (H2S) instead of H2O in photosynthesis. That is, sulfur bacteria produce sugars using CO2 and H2S. O2 is not produced as H2O is not used.