Question

Differentiate between

c. Cell wall and Cell membrane.

Answer 1

Answer:

cell wall- made of cellulose and it is non living

- found in plants cell

- allows all substance

cell membrane -made of lipoproteins and it is living

+found in animal and plants.

- it allows only selected particles.

Answer 2

Question

Differentiate between cell wall and cell membrane.

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Answer

The difference between cell wall and cell membrane is mentioned below.

Cell wall

• This part of the cell is not living.
• It is fully permeable and permits the entry and exit of all substances in and out of the cell.
• The cell wall provides mechanical support and provides a particular shape to the living cell.
• It is rigid and strong. (Mostly the outermost layer)
• It protects the cell from the environment and pathogens (disease-causing microbes)
• It is found in plant cells, fungi cells, bacterial cells, etc.
• Plant cell wall is made of cellulose and hemicellulose. Fungi cell wall is made of chitin. Bacterial cell wall is made of Peptidoglycan.

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Cell membrane

• This part of the cell is living and also a part of the protoplasm.
• It is semi-permeable and permits the entry and exit of selected substances in and out of the cell.
• It is a layer of cells located just below the cell wall.
• Proteins and lipids (fat) bilayers are present in the cell membrane.
• It is present in all cells of all organisms.

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