GERD GUENTHER / SCIENCE PHOTO LIBRARY GERD GUENTHER / SCIENCE PHOTO LIBRARY
Light micrograph of the desmid green alga Netrium digitus. Red auto fluorescence of the large, elaborately lobed and ridged chloroplasts. Microscopic contrast technique : Incident flourescence with blue excitation. Magnification: 360x when printed 10 centimetres wide.
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