Coloured scanning electron micrograph (TEM) of Euglena gracilis cell pellicle (light green) and internal cytoplasmic organelles: chloroplasts (green), golgi apparatus (blue), mitochondria (purple), lipid bodies (dark orange), pyrenoid bodies (light yellow), ribosomes (brown), gullet (light orange), flagellum (light pink in gullet). Euglena gracilis is a fresh water flagellated protozoan often classified in a group called euglenoids. Euglena spp. Magnification: x1,835 when shortest axis printed at 25 millimetres.
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