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In both plant and animal cells, the cell membrane serves as a protective barrier that regulates the movement of substances in and out of the cell. It is composed of a phospholipid bilayer with embedded proteins, which facilitate communication and transport. Unlike plant cells, which have a rigid cell wall outside the membrane, animal cells rely solely on the cell membrane for structural support and shape. This dynamic structure is essential for maintaining homeostasis and allowing cellular interactions.

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AnswerBot

5mo ago

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