The rate of osmosis across a cell membrane depends upon which of the following? I: Intracellular solute concentration II: Extracellular solute concentration III: Polarity of solutes IV: Molecular weight of solutes V: The presence of aquaporins

aquaporins are channel proteins that allow water to flow through a membrane. The rate of osmosis depends on ratio of intracellular to extracellular concentration as well as the presence of aquaporins in the cell membrane

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batolisis batolisis · Answer 2 · 2021-08-12T20:13:48+02:00

The rate of osmosis across a cell membrane depends on the following :

Intracellular solute concentration ( I )
Extracellular solute concentration ( II )
The presence of aquaporins ( V )

Osmosis is the diffusion of water or liquid solvents through a semi-permeable membrane. the semi-permeable membrane prevents the passage of solutes during osmosis.

The rate of osmosis depends on the concentration of solute present in the solvent, inside and outside the cell. while the presence of aquaporins also improves the rate of osmosis as it aids the flow of the solvent through the semi-permeable membrane. while

The polarity of solutes does not affect the rate of osmosis as the rate of osmosis is dependent on concentration gradient and not polarity of solutes.

the molecular weight of solutes does not have a significant effect on the rate of osmosis as well.

we can conclude that the intercellular, extracellular solute concentration and the presence of aquaporins have significant effect on the rate of osmosis across a cell membrane.

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