'Onion cells, hypotonic solution'

Credit: MICHAEL ABBEY/SCIENCE PHOTO LIBRARY

Caption: Red onion cells in hypotonic solution. Hypotonic solutions contain low concentration of solute relative to the cells' cytoplasm. When the cells are placed in a hypotonic solution, the water diffuses into the cell, causing the cell to become turgid (swell). 50x at 35 mm film size. Series, 2 of 3 (see 3Q3358 and 3Q3357 for isotonic and hypertonic solutions).

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Keywords: botanical science, botany, brightfield, brightfield illumination, cell, cells, hypotonic, hypotonic solution, light micrograph, light microscope, lm, onion cell, onion cells, osmosis, plant structure, red onion, red onion cells, solution

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