Question

The Endosymbiotic Theory states the mitochondria and the chloroplasts were once free-living prokaryotic cells. Considering the size of each, why does this make sense?

Answer 1

Answer: The endosymbiotic theory describes how a large host cell and ingested bacteria could easily become dependent on one another for survival, resulting in a permanent relationship. Over millions of years of evolution, mitochondria and chloroplasts have become more specialized and today they cannot live outside the cell. It's Just a Theory

Step-by-step explanation:

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