HERVE CONGE, ISM / SCIENCE PHOTO LIBRARY HERVE CONGE, ISM / SCIENCE PHOTO LIBRARY
Inulin plant tuber polysaccharide crystals, light micrograph. Inulin is a carbohydrate used in plants to store energy. Here, it is present in cells in a tuber (storage organ) from a Dahlia plant. Dahlia tubers are root tubers, and form on the roots. Magnification: x280 when printed at 10 centimetres across.
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