The hypothesis that H₂ was a key electron donor for energy metabolism in primitive organisms is supported by it being such a common trophic strategy in Aquificae.

Name: The hypothesis that H₂ was a key electron donor for energy metabolism in primitive organisms is supported by it being such a common trophic strategy in Aquificae.
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Question

Quizplus · Accepted Answer

The statement is true. The Aquificae bacteria have evolved to use H₂ as a key electron donor for their energy metabolism and thus support the hypothesis.

The Hypothesis That H₂ Was a Key Electron Donor for Energy