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Biology, 02.10.2019 03:30 Hosanna130
The cell membrane forms a protective barrier between the external and internal environments. it is referred to as because it allows some substances to cross more easily than others and blocks other substances from crossing into the cell. a) impermeable b) a fluid mosaic c) a plasma membrane d) selectively permeable
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The cell membrane forms a protective barrier between the external and internal environments. it is r...
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