Assertion: mitochondrion | /r/HasProperty | free-living prokaryotes
Facets:
value: according to the endosymbiotic theory
type: OTHER
Source sentences:
text: According to the endosymbiotic theory, mitochondria were once free-living prokaryotes that infected or were engulfed by ancient eukaryotic cells.
text: The work provided evidence that mitochondria were once free-living cells that took up residence inside another cell in a process called endosymbiosis.
text: It is also concluded that earlier mitochondria were the free-living aerobic bacteria, which became part of the eukaryotic cell due to some process.
text: These features all support that mitochondria were once free-living prokaryotes.