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2. Cell Chemistry & Cell Components - Part 3 of 4

2. Cell Chemistry & Cell Components / Endosymbiotic Theory / Problem 9

According to the endosymbiotic theory, what is the origin of chloroplasts found in plant cells?

A

They evolved from pre-existing mitochondria.

B

They were inherited from ancient prokaryotic cells.

C

They originated from engulfed photosynthetic cyanobacteria.

D

They developed independently within the plant cell nucleus.

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