Osmosis, Plasmolysis, and Turgor Each cell has constantly to cope with osmotic phenomenons. Cells without walls that live in aqueous solutions are usually hypertonic. They are subject to a continuous influx of water that results in a pressure on the inside of the membrane. Some ciliates (like Paramecium) and flagellates (Euglena) have a special organ, a pulsating vacuole, that pumps the water out again and has to be supplied with energy. Red blood cells (erythrocytes) …
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showed last 75 words of 657 total
…happens in a human's stomach after a meal, though humans cannot digest chitin. The digestion products are then taken up by the plant and used to feed itself. It takes about 10 days before the insect is digested and the trap opens again. After having captured three or four insects, the trap dies. Though the plant does not have to capture insects to survive, but the plants that do capture insects will generally be more healthy.