throw more light to the difference between plasmolysis and flacidity

All QuestionsCategory: Secondary Schoolthrow more light to the difference between plasmolysis and flacidity
Clarence chigbu asked 1 year ago

Love u mode of explanation

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2 Answers
Loveth answered 1 year ago

Thank you Clearance.
 

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Loveth answered 1 year ago

 
Flaccidity refers to a lack of literally cellular ‘stiffness’ that results from more water leaving a cytoplasm than enters it.
The suspension of cells from plants in isotonic solutions results in the state termed flaccidity. On a cellular level it represents a lack of pressure of the plasma membrane against the plant cell wall.

A more extreme state, termed Plasmolysis, is seen given suspension of cells in a hypertonic solution, i.e., as occurs with bacteria suspended in solutions containing high salt or sugar concentrations.
Flaccidity in plant cells

The failure to display turgidity especially as seen with plant cells. The suspension of cells from plants in isotonic solutions results in the state termed flaccidity. On a cellular level it represents a lack of pressure of the plasma membrane against the plant cell wall. A more extreme state, termed plasmolysis, is seen given suspension of cells in a hypertonic solution, i.e., as occurs with bacteria suspended in solutions containing high salt or sugar concentrations.

A flaccid cell is one which is in an isotonic solution, this means that the solution and the cell have an equal water conc.. Although there are always water molecules flowing into and out of the cell, they balance each other out. So a cell is referred to as flaccid when it is between being turgid and plasmolysed.

Plasmolysis in plant cells

If a plant cell is placed in a hypertonic solution, the plant cell loses water and hence turgor pressure by plasmolysis: pressure decreases to the point where the protoplasm of the cell peels away from the cell wall, leaving gaps between the cell wall and the membrane and making the plant cell flaccid.

Flaccid cells:-

i.Cell which has lost water and become wilt in which there is a gap between cell wall and protoplasm.
ii.Cells become flaccid when placed in isotonic solution.

                                                           WHILE
Plasmolysis:-

i.Cell which has lost much of its water and become shrinked in which cytoplasm is moved away from cell wall.
ii.Cells become plasmolysed when placed in hypertonic solution.
 
Source: https://biology.stackexchange.com/questions/45933/plasmolysis-vs-flaccidity-in-cells
              https://brainly.in/question/3518539

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