Which of the following groups does not use water as proton donor?
Correct answer: B. Purple sulphur bacteria
- A. Cyanobacteria
- B. Purple sulphur bacteria
- C. Plants
- D. Algae
Explanation
purple sulphur bacteria use hydrogen sulphide as proton donor. Rest of organisms use water as proton donor for photosynthesis. purple sulphur bacteria use hydrogen sulphide as proton donor. Rest of organisms use water as proton donor for photosynthesis.
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