Q4 of 360 Page 104

What is crenation?

When animal cell (e.g., human erythrocytes) is placed in hypertonic solution, it gets shrink and gives wrinkled appearance called crenation.


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Plasma membrane is permeable to water. How does a cell show endosmosis or exosmosis?

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Hypertonic solution causes plasmolysis where the protoplast shrinks and withdraws from the cell wall at most places. What is present between the shrunken protoplast and cell wall?

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What would happen if shelled raw egg and deshelled boiled egg are placed in water?

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