Question

describe plasma membrane in detail.....................​

Answer 1

Answer:

Plasma membrane is a living entity, which encloses all living cells. Plasma membrane forms the boundary between living systems and the environment. Plasma membrane regulates both entry and exit of both solute and solvent between cell and the environment. With regards to permeability characteristics, plasma membrane can be permeable (allows free to and fro passage of both solute and solvent), impermeable (does not allows passage of solute or solvent), semi permeable (allows free passage of solvent), selectively permeable (allows solvent and selected solute particles to pass through).

Explanation:

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Answer 2

Explanation:

plasma membrane definition ↔️ The plasma membrane of a cell is a network of lipids and proteins that forms the boundary between a cell’s contents and the outside of the cell. It is also simply called the cell membrane. The main function of the plasma membrane is to protect the cell from its surrounding environment. It is semi-permeable and regulates the materials that enter and exit the cell. The cells of all living things have plasma membranes

functions ↔️

a physical barrier

The plasma membrane surrounds all cells and physically separates the cytoplasm, which is the material that makes up the cell, from the extracellular fluid outside the cell. This protects all the components of the cell from the outside environment and allows separate activities to occur inside and outside the cell.

The plasma membrane provides structural support to the cell. It tethers the cytoskeleton, which is a network of protein filaments inside the cell that hold all the parts of the cell in place. This gives the cell its shape. Certain organisms such as plants and fungi have a cell wall in addition to the membrane. The cell wall is composed of molecules such as cellulose. It provides additional support to the cell, and it is why plant cells do not burst like animal cells do if too much water diffuses into them.

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