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Cell Organelles - Vacuoles

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notes

Vacuoles:

  • Vacuoles are liquid/solid filled and membrane bound organelles.
  • In plant cells, vacuoles are large and permanent. In animal cells, vacuoles are small In size and temporary.
  • In mature plant cell, It occupies 50% - 90% space of cell volume.
  • Due to its size, other organelles, including nucleus shift towards plasma membrane.
  • In plant cells vacuoles are full of cell sap and provide turgidity and rigidity to the cell. 

Function:

  • They help to maintain the osmotic pressure in a cell.

  • They provide turgidity and rigidity to the plant cell.

Shaalaa.com | Vacuoles, Plant vs. Animal cell

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