What is difference between osmotic and turgor pressure?
Asked by | 16th Jun, 2008, 10:50: PM
Turgor pressure is the pressure caused by the contents of the cells against the cell wall.
Osmotic pressure is the pressure generated by water when it moves by osmosis into or out of a cell. In other words, it is the pressure generated by the osmotic flow of water through a semi-permeable membrane.
The turgor pressure of a cell is largely maintained by osmosis, across the cell membrane. The osmotic entry of water raises the turgor pressure exerted against the cell wall, until it equals the osmotic pressure, creating a steady state.
Turgor pressure is one component of water potential, and it has a positive value i.e. it will cancel out some or all of the osmotic potential of a cell.
Answered by | 18th Jun, 2008, 08:53: AM
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