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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Definitions:

Physical Ailments

Conditions or diseases affecting the body, often characterized by pain, discomfort, or dysfunction.

Phytochemicals

Naturally occurring chemical compounds in plants that are believed to contribute to their color, taste, and disease resistance, some of which are beneficial to human health.

Whole-grain

Foods that contain all essential parts and naturally-occurring nutrients of the entire grain seed in its original proportions.

Spinach Salad

A dish primarily made of spinach leaves, often accompanied by various toppings and dressings.