Saved onicity II omplete the following statements to describe tonicity in animal
ID: 149527 • Letter: S
Question
Saved onicity II omplete the following statements to describe tonicity in animal cells. Not all choices will be used and some may nce. hypertonic In a(n) movement of water. solution in animal cells, there is no net crenate An animal cell in a(n)R open. solution may lyse or burst burst isotonic An animal cell in a(n) crenate solution will shrivel up or If an animal cell is placed in salt water, the cell will If an animal cell is placed in distilled water containing no solutes. the cell wil K Prex 10 of 37 NextExplanation / Answer
1.In isotonic solution in animal cells, there is no net movement of water.
When cells are in isotonic solution, movement of water out of the cell is exactly balanced by movement of water into the cell.
2. An animal cell in a hypotonic solution may lyse or burst open.
In a hypotonic solution, the total molar concentration of all dissolved solute particles is less than that of a cell. Hence outside the cell water concentration is high and thus water molecules move in causing the cell to burst or lyse.
3.An animal cell in a hypertonic solution will shrivel.
In a hypertonic solution, the total molar concentration of all dissolved solute particles is greater than the concentration in a cell. Hence the concentration of water outside is correspondingly lower. As a result, water inside the cell will flow outwards to attain equilibrium, causing the cell to shrink.
4. If an animal cell is placed in salt water, the cell will crenate.
Salt water is a hypertonic solution hence as water leaves the cell, it shrinks and develops the notched appearance characteristic of crenation.
5.If an animal cell is placed in distilled water containing no solutes, the cell will burst.
Pure water is hypotonic for the cell so the water will enter into the cell by osmosis and the cell will swell up and burst.
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