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Define osmosis. What factors influence osmosis?
Osmosis is the process of movement of water from a region of higher water concentration to a region of lower water concentration. Osmosis involves the movement of water molecules, while diffusion involves the movement of solute particles across a concentration gradient.
Also, osmosis involves the presence of a semi-permeable membrane to allow the selective movement of only water molecules and not solute particles.
Factors affecting osmosis are:
Pressure, temperature, concentration gradient, surface area, and water potential.
[Extra information:
Plasmolysis is the process that takes place when the plant cell losses cytoplasmic water due to osmosis and shrinks in size.
Plasmolysis is the process of shrinkage or contraction of the cell contents away from the cell wall when a living plant cell loses water through osmosis. The process of plasmolysis does not occur in dead cells.
It occurs when the plant's cell is placed in a hypertonic solution or solution having a higher concentration of salts. Cytoplasm loses its water to the hypertonic solution to achieve equilibrium and shrinks.]
Updated on: 10-Oct-2022
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