A semipermeable membrane is a layer that only certain molecules can pass through. Smaller molecules like water can pass but not the bigger molecules like solutes. It allows cells to keep their contents separated from the environment and other cells.
A semipermeable membrane is a layer that only certain molecules can pass through. Smaller molecules like water can pass but not the bigger molecules like solutes. It allows cells to keep their contents separated from the environment and other cells.
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