Question

Explain the characteristics of plasma membrance and discuss different types of membrane transport.

Answer 1

Answer:

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.

Functions of the Plasma Membrane

1. A Physical Barrier. ...
2. Selective Permeability. ...
3. Endocytosis and Exocytosis

Six Different Types of Movement Across Cell Membrane

1. Simple Diffusion.
2. Facilitated Diffusion.
3. Osmosis.
4. Active Transport.
5. Endocytosis.
6. Exocytosis

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Answer 2

Plasma membrane refers to cell membrane that defines boundaries of cell (and cell organelles).

Plasma membrane protects the cell and it's components.

Different types of membrane transport are :

1. Simple diffusion
2. Facilitated diffusion
3. Active transport

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