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Quiz 1 1.
2. Molecules crossing a membrane by passing between the phospholipids are crossing by
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4.
5. Absorption and exchange surfaces tend to be very convoluted. This increase in surface
6. Only molecules that cannot cross the semipermeable membrane are considered to be
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8. The movement of water from one side of a semipermeable to the other is called
9. The cell placed in an hypertonic solution will cause it to crenate. Quiz 2 1. If molecule A is moving down its concentration gradient from the outside of the cell to the inside of the cell, but stops moving when you reverse the gradient, then the

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