Purple sulfur bacteria are organisms capable of photosynthesis. They get their name, in part, because they use H₂S (hydrogen sulfide) instead of water during the light reactions. In what form would you expect to find sulfur (S) as a result of photosynthesis in these bacteria?

Question

Quizplus · Accepted Answer

Purple sulfur bacteria oxidize hydrogen sulfide (HS) to elemental sulfur (S) during photosynthesis, which is then deposited as granules inside or outside their cells.

Purple Sulfur Bacteria Are Organisms Capable of Photosynthesis