Which Genus Oxidizes Both Ferrous Iron (Fe²⁺) and Mn²⁺ but Obtains

question 43

Multiple Choice

Which genus oxidizes both ferrous iron (Fe²⁺) and Mn²⁺ but obtains energy only from the former?

• A) Leptothrix
• B) Proteus
• C) Sphaerotilus
• D) Arcobacter

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