Assertion: photosynthesis's chloroplast | /r/HasProperty | descended
Facets:
value: from free-living cyanobacteria
type: OTHER
value: from such organisms
type: OTHER
Source sentences:
text: Photosynthetic cyanobacteria are free-living close relatives of chloroplasts; endosymbiotic theory posits that chloroplasts and mitochondria (energy-producing organelles in eukaryotic cells) are descended from such organisms.
text: It is thought that both chloroplasts and mitochondria are descended from free-living cyanobacteria, which could explain why they possess DNA that is distinct from the rest of the cell.