All of the following are possible origins of cell organelles in eukaryotes EXCEPT 

Select one: 

A. invagination of the plasma membrane to form endoplasmic reticulum. 

B. incorporation of engulfed heterotrophic bacteria to form mitochondria. 

Incorporation of engulfed autotrophic cyanobacteria to form chloroplasts. 

D. a symbiotic relationship between a host cell and aprokaryote that was taken up but not destroyed. 

E. groups ofprokaryotic cells begin to live in a small group sharing productsof metabolism.

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Explanation The origin of cell organelles in eukaryotes are believ... View the full answer