Be Selectively Permeable Lesson Grades 7-8

EBOTM210707

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  • Author : Appleby, Sandra

The exterior wall or plasma membrane of a cell functions as a barrier to some substances and as a gateway to others. Through chemical identification, the cell can change the structure of its membrane to allow passage into the cell. To demonstrate this concept to the students, try a game of Red Rover. 1 page



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