What is needed for osmosis to occur?


Quick Answer

Osmosis occurs when there is difference in concentration levels of a solution between two sides of a semipermeable membrane. This leads to the formation of a concentration gradient, which allows solute particles present in a solution to move from a region of low concentration to a region of high concentration.

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Full Answer

Osmosis is responsible for the absorption of water by the roots from the soil. The upward movement of water through the xylem tissue in plants is also made possible due to osmosis. The movement of water and nutrients into the cell through the semipermeable cell membrane is possible due to osmosis. The removal of waste from the cell is facilitated by osmosis. The process of osmosis continues until there is no osmotic pressure or concentration gradient.

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