Movement of Substances Across a Plasma Membrane in Living Organisms (3)

Biology

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Hypotonic solution (1)

Solution A has a low solutes concentration and high water potential

Hypotonic solution (2)

- Solution A is hypotonic to solution B - Water diffuses from solution A to B by osmosis

Hypertonic solution (1)

Solution A has a high solutes concentration and low water potential

Hypertonic solution (2)

- Solution A is hypertonic to B - Water diffuses from solution B to A by osmosis

The effect of hypotonic solution on animal cells (1)

When red blood cells are placed in a hypotonic solution, water will diffuse into the cells by osmosis, causing the cells to swell and finally burst

The effect of hypotonic solution on animal cells (2)

The burst of red blood cells is known as haemolysis

The effect of hypertonic solution on animal cells (1)

When red blood cells are placed in a hypertonic solution, water will move out of the cells by osmosis

The effect of hypertonic solution on animal cells (2)

Hypertonic solution cause the cells to shrink

The effect of hypertonic solution on animal cells (3)

The red blood cells are said to undergo crenation

The effect of isotonic solution on animal cells

Water diffuses into and out of the cell by osmosis at the same rate

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