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Mitochondria
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こんにちは
According to Endosymbiotic Theory, mitochondria arose around
____ years ago
~1.5 billion years ago
According to Endosymbiotic Theory, mitochondria first arose when...
when a prokaryote was eaten by another cell
The Forgetting Curve (with optimally-spaced recalls) looks like...
(note: the gaps between recalls increase in length)