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y in Endosmosis it swells and in exosmosis it shrinks????
I need a urgent answer with full explanation
Answers
Diffusion is movement of any molecule or atom from a higher concentration region to a lower concentration region is called as diffusion.
Osmosis is a type of diffusion. The movement of fluid molecules from higher concentration level to a lower concentration level through a semi-perimable membrane is called as osmosis.
There are two types of osmosis :
(i) Endosmosis
(ii) Exosmosis
(i)
The inward movement of a fuild molecules from a higher concentration level is called as endosmosis.
When the endosmosis process takes place inside a cell, it swells up. This's happened because the water present outside the cell will be in higher concentration level as compared to the water concentration inside the cell.
Then the water which is present outside the cell goes inside the cell as the endosmosis process takes place as it's the process of inward movement of fluid.
Here, in the cell, the same thing is happening. The water present outside will go into the cell.
As the water goes inside the cell, the osmosis process will takes place. But as the water is going inside, the endosmosis process will takes place.
Thus, the cell will swell up when endosmosis process takes place.
(ii)
The outward movement of fluid from a cell through a semi-perimable membrane to the outside region is called as exosmosis.
If the exosmosis process takes place in a cell, then the cell will shrinks. This's happens because the water present inside the cell is in higher quality than the outside surrounding medium.
As osmosis is the process of movement of water from higher concentration region to a lower concentration region through a semi-perimable membrane, the water present inside the cell will go out.
As the water present inside the water will move out the cell will shrink as there is nothing left in the cell. Thus, the cell will shrink.
As the water is moving out the exosmosis process will takes place as exosmosis is the process of outward movement of water.
Thus, the cell will shrink when the exosmosis process takes place.
Step by step Explanation
DIFFUSION
➡️Spontaneous movement of molecules from a region of high concentration to the region of low concentration is called diffusion
➡️It takes place in solid, liquids, gases
➡️ Semipermeable membrane is not required
OSMOSIS
➡️Movement of water molecules from a region of high concentration through a Semipermeable membrane to region of low concentration is called osmosis
➡️It takes place only in liquid
➡️ Semipermeable membrane is required
Endosmosis
➡️The solution where more water is present outside the cell than inside of it is called hypotomic solution
➡️Water molecules are free to move both in and out of the cell
➡️In this kind of solution more water molecules will move out of the cell and less water will enter the cell
➡️ Osmotic entry of water inside cell is called Endosmosis
➡️As a result the cell will swell up (because more water will enter the cell)
Exosmosis
➡️The solution where more water is present inside of the cell than outside of it is Hypertonic solution
➡️ Water molecules are free to move in and out of the cell
➡️In this solution more water molecules will move out of the cell and less will enter the cell
➡️ Osmotic exit of water outside cell is called exosmosis
➡️As a result cells will shrink (because move water leaves the cell and less enters in)