Which of the Following Organisms Is Using Sulfur as a Source

question 35

Multiple Choice

Which of the following organisms is using sulfur as a source of energy?

• A) Photosynthetic bacteria: H₂S → S0
• B) Desulfovibrio: SO42- → H₂S
• C) Redwood tree: SO42- → Amino acids
• D) Thiobacillus: H₂S → S0
• E) Proteus: Amino acids → H₂S

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