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romanna [79]
4 years ago
14

All cells are surrounded by a membrane. which is a characteristic of a cell membrane

Biology
1 answer:
krok68 [10]4 years ago
6 0
<span>Cell membranes serve as barriers and gatekeepers. They are semi-permeable, which means that some molecules can diffuse across the lipid bilayer but others cannot</span>
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3 years ago
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