Question

What is plasma membrane?
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Answer 1

Explanation:

Plasma membrane

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

The cell membrane is also known as the plasma membrane. It is the outermost covering of animals cell . It is semi - permeable membrane composed of lipids and proteins. The main functions of the cell membrane includes :

• Protecting the integrity of the interior cell ..

• Providing support and maintaining the shape of the cell .

• helps in regulating cell growth through the balance of endocytosis and exocytosis.

• The cell membrane also plays an important role in cell signalling and communication.

• It acts as a selectively permeable membrane by allowing the entry of only selected substances into the cell .

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