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25.0 MB (1.2 MB compressed)
2642 x 3307 pixels
22.4 x 27.9 cm ⏐ 8.8 x 11.0 in (300dpi)
DENNIS KUNKEL MICROSCOPY / SCIENCE PHOTO LIBRARY DENNIS KUNKEL MICROSCOPY / SCIENCE PHOTO LIBRARY
Coloured scanning electron micrograph (SEM) of Scytonema sp. , Gram negative, oxygenic, photosynthetic, filamentous cyanobacterium (prokaryote). Cells are dividing at the tips of the filaments. Magnification: x240 when shortest axis printed at 25 millimetres.
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