When does a cell get Plasmolysed? Explain.
Answers
Answer:
Plant cells are eukaryotes, composed of specialised cellular organelles that differ in several fundamental factors from Animal cell. Plant cells usually consist of a thick cell wall that functions by holding them upright and also prevents from losing their shape. The plasma membrane, cytoplasm and all other cell organelles function together to keep the plant active. The vacuoles, a fluid-filled membrane-bound organelle, located within the cytoplasm, holds the water in the plant cell. In certain conditions, plant cells do not get a sufficient amount of water, or there is a severe loss of water from the cell. This results in the total shrinkage of the plant cell and the phenomenon are called plasmolysis.
Explanation:
Incipient plasmolysis: It is the initial stage of the plasmolysis, during which, water starts flowing out of the cell; initially, the cell shrinks in volume and cell wall become detectable.
Evident plasmolysis: It is the next stage of the plasmolysis, during which, the cell wall has reached its limit of contraction and cytoplasm gets detached from the cell wall attaining the spherical shape.
Final plasmolysis: It is the third and the final stage of the plasmolysis, during which the cytoplasm will be completely free from the cell wall and remains in the centre of the cell.
Explanation:
can occur if the cell is in a hypotonic solution resulting in a lower external osmotic pressure and a net flow of water into the cell.
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