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Diatoms, coloured scanning electron micrograph (SEM). These are marine planktonic unicellular algae. They have a mineralised cell wall (frustule) that contains silica and provides protection and support. Magnification x600 when printed at 10 centimetres wide.
May 8th, 2013
Viewed 38 Times - Last Visitor from New York, NY on 01/25/2015 at 4:50 PM
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