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AP Biology/Unit 2: Cell Structure and Function
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Evidence for the Endosymbiotic Theory
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Which of the following observations provides the best evidence to support the endosymbiotic theory?

A

Prokaroytes do not possess any internal membrane bound organelles

B

Prokaryotes existed on earth before eukayrotes did

C

Eukaroytic cells have mitochondrion unlike prokaroytic cells

D

Mitochondria and plastids have their own DNA similar to prokaryotes’

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