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    Exam 19: Archaeal Diversity
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    In Methanogenesis from CO₂ and H₂, ________ Is Hydrogenated and Deoxygenated
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In Methanogenesis from CO₂ and H₂, ________ Is Hydrogenated and Deoxygenated

Question 46

Question 46

Multiple Choice

In methanogenesis from CO₂ and H₂, ________ is hydrogenated and deoxygenated in a stepwise fashion.


A) hydrogen
B) methane
C) oxygen
D) carbon dioxide
E) carbon

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