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Ans: endosymbiotic theory
The ribosomes are found in the ancient prokaryotic cells, which is like how the endosymbiotic theory is based on how organelles inside eukaryotic cells are descended from ancient unicellular prokaryotic organisms.
The ribosomes are found in the ancient prokaryotic cells, which is like how the endosymbiotic theory is based on how organelles inside eukaryotic cells are descended from ancient unicellular prokaryotic organisms.