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  • sequence
  • These sequence data support the view that all chloroplasts were derived from a single primary endosymbiotic event involving the capture of a cyanobacterium ( 12 , 13 ). (pnas.org)
  • green
  • Chloroplasts are the structures containing the green pigment chlorophyll and are largely found in most cells of green plants that are exposed to light. (sciencephoto.com)