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Respiration and Fermentation Across Life
Grade Level
AP Biology
APB.194 Respiration and Fermentation Across Life
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A student proposes using fossilized animal organs as the main evidence that fermentation is ancient. Which alternative evidence would be stronger?
A
A drawing of a modern animal running during exercise.
B
Comparative molecular data showing homologous fermentation-related enzymes across bacteria, archaea, and eukaryotes.
C
A list of foods that can taste sour after microbial growth.
D
A measurement of the size of a single yeast colony.
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