Osmosis
can be regarded as special kind of diffusion in which water molecules are the
only molecules diffusing. This is due to the presence of partially permeable
membrane which does not allow the passage of solute particles. Osmosis is the
movement of water molecules from a region of their high concentration (a dilute
solution) to a region of their low concentration (a more concentrated solution)
through a partially permeable membrane.
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| Osmosis |
Osmosis
is a type of passive transport that occurs when solvent molecules move from an
area of high concentration to an area of low concentration through a
semi-permeable membrane. In other words, it is the movement of water molecules
from a region of higher water concentration (lower solute concentration) to a
region of lower water concentration (higher solute concentration) across a
selectively permeable membrane.
The
movement of water molecules occurs in an attempt to equalize the concentration
of solute molecules on both sides of the membrane, which is referred to as
achieving an equilibrium state. This process continues until the concentration
of solute molecules is equal on both sides of the membrane or until the
membrane becomes saturated and the movement of water molecules reaches an
equilibrium point.
Osmosis
is an essential process for many living organisms, as it allows for the transport
of nutrients and waste products across cell membranes. It is also involved in
the regulation of body fluids in animals and the movement of water in plants.
The direction and rate of osmosis are influenced by various factors such as the
concentration gradient, temperature, and pressure.
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