By Hannah Rogers, Emily Urbanovitch, and Elizabeth Wood

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Presentation transcript:

By Hannah Rogers, Emily Urbanovitch, and Elizabeth Wood Vacuoles By Hannah Rogers, Emily Urbanovitch, and Elizabeth Wood

Central Vacuole: Structure The prominent organelle in older plant cells Largest organelle in the cell surrounded by membrane Solution inside (cell sap) is the plant cell’s main repository of inorganic ions

Central Vacuole: Function Storage Breakdown of waste products Hydrolysis of macromolecules Maintain pressure for support of growing cells

Other Information: Enable plants to grow with minimal investment in new cytoplasm Develops from the combination of smaller vacuoles

Contractile Vacuole: Structure Enveloped in membrane Video

Contractile Vacuole: Function Pump excess water out of the cell In plants: Some hold reserves of important organic compounds Protect against herbivores Contain pigments which attract pollenating insects to petals

Other Information: Important in maintaining hydrostatic equilibrium Found in unicellular organisms

Food Vacuole: Structure Enveloped in membrane Formed by phagocytosis

Food Vacuole: Function Digestive function

Which vacuole is involved in the breakdown of waste products? Food Vacuole Central Vacuole Contractile Vacuole

Which vacuole is enveloped in the membrane? Food Vacuole Central Vacuole Contractile Vacuole

Which vacuole protects against herbivores? Food Vacuole Central Vacuole Contractile Vacuole

Fantastic!

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