the generative nuclei , stained with 4',6-diamidino-2-phenylindole ( dapi ) , showed ellipsoidal and highly condensed chromatin , whereas the generative cell cytoplasm , whose quantity was widely different from species to species , showed no fluorescence , suggesting the absence of plastid and mitochondrial dna , although many mitochondria were present .
C0007634
cell
C0010834
cytoplasm