Question

what is function of plasma membrane​

Answer 1

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.

Answer 2

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$\underline \mathbb{PLASMA\:MEMBRANE}$

1• All living cells, prokaryotic and eukaryotic, have a plasma membrane that encloses their contents and serves as a semi - permeable or selectivey permeable barrier to outside environment.

2•The plasma membrane is permeable to specific molecules, however, it allows nutrients and other essential elements to enter the cell and waste materials to leave the cell.

3• Small molecules such as oxygen, carbon dioxide, and water are able to pass freely across the membrane but the passage of large molecules such as amino acids and sugar is carefully regulated.

4• The plasma membrane is flexible and made up of organic molecules called lipids and proteins.

5• Flexibility enables the cell to engulf in food and other materials.

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》AMOEBA

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