Question

All cells are bound by a cell wall

Answer 1

All cells are bound by a cell wall or cell membrane. The cell membrane is living and gives shape and a certain degree of rigidity to the cell. It freely permeable allowing the substance in solution to enter and leave the cell without hindrance. It is composed of lipoproteins.

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Answer 2

Answer:

All cells are surrounded by a cell wall. The flexible nature of a cell membrane results from its channel proteins. Selectively permeable membranes allow only certain materials to pass through them

Explanation: