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50.8 MB (1.7 MB compressed)
4100 x 4328 pixels
34.8 x 36.6 cm ⏐ 13.7 x 14.4 in (300dpi)
STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY
Diatom. Coloured scanning electron micrograph (SEM) of an Actinocyclus sp. diatom. This is a marine planktonic unicellular alga. It has a mineralised cell wall (frustule) divided into two halves. The frustule contains silica and provides protection and support. Magnification: x37.5 at 6x7cm size.
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