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Biology 13 Online
OpenStudy (anonymous):

Why is it essential that a cell’s membrane be selectively permeable?

OpenStudy (anonymous):

What test is this? I remember having a question like this

OpenStudy (anonymous):

its a study guide ! i'm home schooled threw a online school called ecot @whalexnuker

OpenStudy (prakharluv):

This is essential to prevent harmful substances from entering the cell and damaging it. If anything could enter the cell, it would be easier for cells to die.....

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