Posted: August 12th, 2016
Eukaryotic cells are thought to have
Eukaryotic cells are thought to have
A. evolved before prokaryotic cells.
B. appeared about 2.1 billion years ago.
C. first appeared as parts of multicellular organisms.
D. first appeared with tough cell walls.
E. developed when mitochondria grew much larger in size that they had been previously.
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