What Is Lithotrophy

question 15

Multiple Choice

What is lithotrophy?

• A) breakdown of molecules using light energy
• B) oxidation of organic electron donors to CO₂ and H₂O
• C) photolysis of H₂S or H₂O coupled to CO₂ fixation
• D) oxidation of inorganic electron donors such as Fe²⁺ using O₂ or anaerobic electronic acceptors
• E) none of the above

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