BIOPHOTO ASSOCIATES / SCIENCE PHOTO LIBRARY BIOPHOTO ASSOCIATES / SCIENCE PHOTO LIBRARY
Light micrograph of Euglena sp., living cell showing locomotory flagellum, eyespot (red), chloroplasts (green), contractile vacuole (sphere near eyespot), and small accessory vacuoles, central nucleus with chromosomes, paramylon (in cell posterior). Anoptral contrast; magnification 500X at 35mm.
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