Question

Write the main characteristics of :
(1) Cell membrane
(2) Cell wall
(3) Cytoplasm
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Answer 1

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❍ Cell Membrane :-

The cell membrane regulates the transport of materials entering and exiting the cell.

❍ Cell Wall :-

It provides the cell with both structural support and protection, and also acts as a filtering mechanism.

❍ Cytoplasm :-

It stores the molecules required for cellular processes and is also responsible for giving the cell its shape.

@MᎥssAbhᎥ :)

Answer 2

Explanation:

Cell membrane :

1. Outermost in animal cells.
2. Lies next to cell wall in plant cells.
3. Possessed fine pores.
4. Semi-permeable.
5. Made up of lipoproteins.

Cell wall :

1. Outermost in plant cells.
2. Non-living rigid layer surrounding the cell membrane.
3. Freely-permeable.
4. Mainly composed of cellulose.
5. Main part of a cell in plant/animal.

Cytoplasm :

1. All the parts together inside the plasma membrane excluding nucleus.
2. Contains a mixture of water and soluble organic and inorganic compounds, and various organelles.
3. Main component is cytosol.
4. Also composed of water, minerals and salts.
5. It's color is clear.

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