J.C. REVY, ISM / SCIENCE PHOTO LIBRARY J.C. REVY, ISM / SCIENCE PHOTO LIBRARY
Light micrograph of a cell from a leaf of Canadian pondweed, Elodea sp. . The tiny green particles within the cells are chloroplasts. These contain the green pigment chlorophyll and are the sites of cell photosynthesis. Magnification: x1260 at 35mm size.
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