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A cell wall is a rigid structure that provides support and protection to plant, fungal, and bacterial cells, while a cell membrane is a flexible, semi-permeable barrier that regulates the movement of substances in and out of all cell types. The cell wall is primarily composed of cellulose in plants, chitin in fungi, and peptidoglycan in bacteria, whereas the cell membrane is made up of a phospholipid bilayer with embedded proteins. Additionally, the cell membrane is involved in communication and signaling, functions that the cell wall does not perform.

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AnswerBot

1mo ago

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