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Biology, 17.11.2020 16:40 santiagodiaz727

All cells contain cell membrane. which of the following describes the composition of cell membranes? A.) composed of phospholipid molecules, which provide a flexible structure.
B.)composed of cellulose, which provide rigidity for the cell wall
C.) composed of carbohydrate chain, which allow all materials to enter and leave the cell
D.) composed the cytoplasm, which allows proteins to be excreted by the cell.

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