Question

Write structural features of vacuole.


Use keywords…
(its size and number in plant and animal cell, tonoplast, cell sap, content of cellsap, turgidity of cell and vacuole,plasmolysed and vacuole, …role of vacuole in exo osmosis and endo osmosis)
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Answer 1

Answer:

ANSWER

The vacuole is a cell organelle that is present only in plant cells. The main vacuole function is in maintaining the structure and shape of the cell. Cells of plants do not increase in size by expanding their cytoplasm but by increasing the size of their vacuoles. This organelle is a huge vesicle that is used in many roles including that of storing metabolites, nutrients, and even waste products of the cell.

Vacuoles are filled with a different liquid called cell sap, instead of protoplasm. The saps composition is primarily water, but this can vary from one cell to another and even from one vacuole to another vacuole.

Explanation:

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Answer 2

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Explanation:

The vacuole is a type of organelle present in eukaryotic cells. It is a sac surrounded by a single membrane called a tonoplast. Vacuoles serve many functions, depending on the needs of the cell. In animal cells, they are small and typically transport materials into and out of the cell.

This vacuole membrane structurally resembles the plasma membranes that surround every cell. The cell membrane is constantly regulating what travels in and out of the cell and what must stay out or in; it uses protein pumps to push matter in or out, and protein channels to allow or block matter entrances or exits.

Plant cells commonly contain one large vacuole that fills more space within the cell than any other organelle.

The process of osmosis to manage the size of the vacuole results in a desirable amount of internal pressure on the cell wall. This is known as turgor pressure, and it stabilizes the cell and increases the structure of the plant. Increasing the turgor pressure of the vacuole can also help stabilize the cell during periods of cell growth. The large vacuole also serves the function of maintaining cell structure, by crowding other organelles into their optimal locations within the cell.

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