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Nastasia [14]
3 years ago
8

He 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.
Biology
2 answers:
Ray Of Light [21]3 years ago
8 0

Answer:

Selectively permeable

Explanation:

Vsevolod [243]3 years ago
5 0
It is referred to as a selective semipermeable membrane because it only allows certain things through, due to the size and shape of whatever is trying to get through.
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