Both Beggiatoa and the Purple Sulfur Bacteria Use H₂S

question 10

Multiple Choice

Both Beggiatoa and the purple sulfur bacteria use H₂S. These bacteria differ in that Beggiatoa

• A) uses H₂S for a carbon source.
• B) belongs to the gammaproteobacteria.
• C) uses H₂S for an energy source.
• D) uses light energy.
• E) is a heterotroph.

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