The endosymbiotic theory proposes that mitochondria and chloroplasts originated from prokaryotes due to similarities like binary fission, 70S ribosomes, and circular DNA.
The endosymbiotic theory suggests that mitochondria and chloroplasts originated from free-living prokaryotes that were engulfed by early eukaryotic cells. Evidence includes their binary fission, 70S ribosomes, and circular DNA.
| Front | Describe the endosymbiotic theory. + state evidence |
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| Back | Endosymbiotic theory - some of the organelles in eukaryotic celles were once prokaryotic microbes which would suggest that eukaryotic cells originated from prokaryotic organisms It is thought that mitochondria and chloroplasts were once free living prokaryotic cells because:
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