84150A

84150A
Caption: Anabaena sp. - Gram-negative, oxygenic, photosynthetic, filamentous cyanobacterium (prokaryote). Note the larger cells in the filament called heterocysts which are involved in nitrogen fixing.
Magnification*: x660
Type: SEM
Copyright 1993 Dennis Kunkel Microscopy, Inc.
Keywords: 84150A,Anabaena,aquatic,blue-green bacteria,cyanobacteria,cyanobacterium,filament,filamentous,Gram-negative,heterocyst,oxygenic,photosynthetic,phytoplankton,plankton,prokaryote,nitrogen fixation,nitrogen fixing,fresh water,SEM,02.01.08a