A cell membrane is selectively permeable, allowing some things to enter or leave the cell while preventing other things from doing so. In a similar fashion a screen window to a home performs a similar function, allowing certain things to enter to leave the home, while preventing other things from doing so. The responses below are from my Period 4 class.
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Current Unit (Biology)Prepare for your next assessment...SchoologyMCAS CountdownMr. Dubuque's
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