When the concentration of a substance on one side of the membrane is different from its concentration on the other side of the membrane, the substance is said to exhibit a concentration gradient.
CONCENTRATION GRADIENT:
- Concentration gradient is a term used to refer to a difference in solute concentration on opposite sides of the membrane of an organism.
- If the concentration on the external part of a cell is higher than that of the internal part of the cell, a concentration gradient is said to have occured.
- Concentration gradient is the basis of osmotic movement of water into and out of a cell.
- Therefore, When the concentration of a substance on one side of the membrane is different from its concentration on the other side of the membrane, the substance is said to exhibit a concentration gradient.
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