What is the meaning and definition of the term endosmosis and exosmosis?

Answers (1)

 

When the cell is kept in a solution containing equally dissolved substances as compared to that inside the cell, the rate of movement of the water from inside the cell to the outside is equal to the rate of movement of water from outside to inside the cell. This results in no change in the volume of cell solution. The solution outside the cell is called an isotonic solution.

When the cell is kept in a solution containing more dissolved substances as compared to that inside the cell, the rate of movement of the water from inside the cell to the outside is more than the rate of movement of water from outside to inside the cell. This results in a decrease in the volume of cell solution and the cell shrinks. This phenomenon is called exosmosis and the solution outside the cell is called a hypertonic solution.

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