Question

state the function of cell membrane

Answer 1

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State the function of cell membrane/plasma membrane.

The functions of the cell membrane/plasma membrane are:-

▶It controls the entry and exit of substances according to the requirements of the cell.

▶It acts like a boundary between the cell and the external environment.

▶It provides flexibility to the animal cell and helps it to move.

▶It gives definite shape and size to the cell.

▶It is selectively permeable.

▶It provides mechanical protection to the internal structures of a cell.
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Answer 2

Write the functions of cell membrane.

1. To protect the cell from its surroundings.
2. Protects the cell by acting as a barrier.
3. Regulates movement of substances in & out of cells.
4. They keep toxic substances out of the cell.
5. Receives chemical messengers from other cell.