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biology coursework

Member rating: 6 out of 10 stars (1 vote) | Words: 4567 | Submitted: Mon Jun 18 2007

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An investigation to show how the concentration affects osmosis in potato cells Aim The aim in the experiment is to investigate the concentration of cell sap in potato cells. Osmosis plays an important role in the investigation, due to the movement of water molecules moving from a high concentration to a low concentration. Osmosis is the passage of water from a region of high water concentration through a semi-permeable membrane to a region of low water concentration. Background information The definition of osmosis contains three important statements: 1. Osmosis is the passage of water from a region of high water concentration through a semi-permeable membrane to a region of low water concentration. 2. Osmosis is the passage of water from a region of high water concentration through a semi-permeable membrane to a region of low water concentration. 3. Osmosis is the passage of water from a region of high water concentration through a semi-permeable membrane to a...

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