Spirogyra sp., filamentous green alga, LM

Spirogyra sp., filamentous green alga, LM

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Credit: DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY

Caption: Brightfield light micrograph (LM) of Light micrograph of Spirogyra sp., a filamentous green alga (Chlorophyte, Chlorophyta). Spirogyra has characteristic spiral chloroplasts (green bands) within elongated cells of a filament. The chloroplasts contain green chlorophyll pigments and are the site of photosynthesis, the process that makes carbohydrates from carbon dioxide and water using sunlight. Spirogyra secretes a mucilaginous substance that binds adjacent filaments. Because of its slimy threads it is called, water silk or mermaid's tresses. It occurs in stagnant or slow moving fresh water. Magnification: x100 when shortest axis printed at 25 millimetres.

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Keywords: 910208-27, alga, algae, aquatic, brightfield, chlorophyll, chlorophyta, chlorophyte, chloroplast, chloroplasts, colored, coloured, conjugating, conjugation, eukaryote, false-colored, false-coloured, filament, filamentous, filaments, fresh water, freshwater, green, light, lm, mermaids, micrograph, mucilaginous, organism, photosynthesis, photosynthetic, phytoplankton, pigment, pigments, plankton, plant, protist, protists, silk, slimy, spiral, spirogyra, stream, tresses, water, water-silk

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