Prove that the cell membrane is 1 supporting structure.

The cell membrane is the supporting structure. Cells do not have a skeleton or other structures that create a particular shape. Only the cell membrane is responsible for this. It can be compared to a balloon in which water has been taken. The casing prevents the internal liquid from spreading. At the same time, a certain shape is preserved. Some cells have a strictly defined structure, and some are able to change shape. So the Proteus amoeba consists of only one cell, which is constantly changing its shape.

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