Question

function of plasma membrane ​

Answer 1

Plasma membranes must allow certain substances to enter and leave a cell, and prevent some harmful materials from entering and some essential materials from leaving. In other words, plasma membranes are selectively permeable—they allow some substances to pass through, but not others.

Biological membranes have three primary functions: (1) they keep toxic substances out of the cell; (2) they contain receptors and channels that allow specific molecules, such as ions, nutrients, wastes, and metabolic products, that mediate cellular and extracellular activities to pass between organelles and between the ...

Functions of the Plasma Membrane

• A Physical Barrier. ...
• Selective Permeability. ...
• Endocytosis and Exocytosis. ...
• Cell Signaling. ...
• Phospholipids. ...
• Proteins. ...
• Carbohydrates. ...
• Fluid Mosaic Model.

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