VACUOLES

• Vacuole is membrane bounded cell organelles. The membrane of Vacuoles is called tonoplast.

Vacuoles in animal cell

• In animal cell vacuoles are temporary.
• It is small in size .
• It stores:-
• Water
• Glycogen
• Protein
• It help in maintenance of water balance.
• It is osmoregulatory organelles in protozoans.
• It help in ingestion nutrient material.

Vacuoles in animal cell

• In plant cell vacuoles are large in size. 
• In mature plant cell it consumes almost 90% of the cell volume.
• The vacuole is filled withb cell sap.
• Cell sap is the watery solution with rich in sugars, amino acids, proteins, Minerals, and metabolic waste.

Function

• Helps in maintaining osmotic pressure.
• Provide turgidity and rigidity to the plant cell.
• Stores toxic metabolic by-product or end-product.

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