Author's Instructions
The fundamental organizational unit of life is the cell.
? Cells are enclosed by a plasma membrane composed of lipids and proteins.
? Plasma membrane is a selectively permeable membrane.
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L4(10th class) Biology Worksheet-1
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Author's Instructions
The fundamental organizational unit of life is the cell.
? Cells are enclosed by a plasma membrane composed of lipids and proteins.
? Plasma membrane is a selectively permeable membrane.