Cyanobacterium (nostoc Sp.) #2
by Dennis Kunkel Microscopy/science Photo Library
Title
Cyanobacterium (nostoc Sp.) #2
Artist
Dennis Kunkel Microscopy/science Photo Library
Medium
Photograph - Photograph
Description
Transmission electron micrograph (TEM) of Cyanobacterium (Nostoc sp.) Gram-negative, oxygenic, photosynthetic, filamentous cyanobacterium (prokaryote). Note the thylakoids (photosynthetic membranes) and polyhedral bodies. 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 when shortest axis printed at 25 millimetres.
Uploaded
October 4th, 2018
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