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Biology Investigation PROBLEM: What is the concentration of the cell sap in the vacuoles of potato cells? BACKGROUIND INFORMATION: * The structure of a plant cell - 1. The nucleus contains chromosomes and genes (which are the instructions, which control the activity of the cell). 2. The mitochondria are the structures in a cell where the reactions of respiration take place. 3. The chloroplasts are the places where photosynthesis takes place. 4. The cell membrane is there to keep each cell separate from the rest and it also controls the passage of substances in and out of the cell. 5. The cell wall is a non-living structure that supports plant cells. 6. The cytoplasm is a jelly-like fluid in which substances move and many chemical reactions take place here. 7. The vacuole is filled with a watery liquid in which minerals are stored. * Water is an inorganic substance found in cells. Other substances that are found in cells are...

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