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Image #   47855C
Name:   Cyanobacterium (Nostoc spp.)
Copyright:   Copyright 2003 Dennis Kunkel Microscopy, Inc.
Description:   Caption: Cyanobacterium (Nostoc spp.). Gram-negative, oxygenic, photosynthetic, filamentous cyanobacterium (prokaryote). Note the thylakoids (photosynthetic membranes - green), polyhedral bodies (purple) and lipid bodies (pink). Lichens often are associated with Nostoc in a symbiotic relationship. Specialized cells in the Nostoc filament, called heterocysts, fix atmospheric nitrogen gas into amino acids and thus progressively enrich the soil with nitrogen for plant growth.
Magnification*: x4,560
Type: TEM
    *(Magnifications are based on a 35mm slide image of 24mm in the narrow dimension.)
Keywords:   47855C 03.01.03 aquatic bacteria bacterium blue-green bacteria cell wall cyanobacteria cyanobacterium filament filamentous fresh water Gram negative Gram-negative heterocyst lichen mucilage sheath nitrogen fixation nitrogen fixing oxygenic photosynthetic polyhedryl body soil bacteria symbiotic thylakoid thylakoids TEM

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