MCAT Organic Question — Abiogenesis Theory
- Aug 22, 2014
- MCAT Question of the Day
A) CH4, H2O, O3
B) NH3, O2, H2
C) NH3, CH4, H2
D) O2, CH4, H2O
The abiogenesis theory posits that early in Earth’s history, the atmosphere was made up of a “primordial soup” of gases that created a highly reducing environment. Oxygen and ozone were not present, as they would have oxidized any biological macromolecules. Thus, choices (A), (B), and (D) are wrong.
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