Which statement about the cell membrane is true?
It contains cellulose and sugars that are involved in communication.
It is present in animal cells only.
It is rigid and elastic for supporting the cell’s shape.
It prevents harmful substances from entering a cell.

Cell membrane is a selectively permeable, protective layer that is present surrounding the cytoplasm of all cells of living organisms. It allows the entry and exit of only certain substances

It does not allow the harmful substances to enter inside the cell and at the same time, the useful substances to exit the cell. Due to this, it is also known as selectively permeable membrane.

Thus, last option is the right answer.

Which statement about the cell membrane is true? It contains cellulose and sugars that are involved in communication. It is present in animal cells only. It is rigid and elastic for supporting the cell’s shape. It prevents harmful substances from entering a cell.

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Which statement about the cell membrane is true?
It contains cellulose and sugars that are involved in communication.
It is present in animal cells only.
It is rigid and elastic for supporting the cell’s shape.
It prevents harmful substances from entering a cell.