expain the structure and function of plasma membrane
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Structure of Plasma Membranes
The primary function of the plasma membrane is to protect the cell from its surroundings. Composed of a phospholipid bilayer with embedded proteins, the plasma membrane is selectively permeable to ions and organic molecules and regulates the movement of substances in and out of cells.
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Every cell is bounded by an extremely thin, elastic and selectively permeable cell membrane, also called plasma membrane.
FUNCTION OF PLASMA MEMBRANE
- it binds the semifluid contents of the cell and gives a definite shape to the cell.
- It functions as a mechanical barrier, protects cell contents and maintains internal environment of the cell.
- Being selectively permeable, plasma membrane permits only certain substances to pass through..
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