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Since the membrane is more permeable to K + than to Na + , Multiple…

Since the membrane is more permeable to K+ than to Na+, Multiple Choice A. there are always more positive ions outside the membrane than inside. B. there are always more negative ions outside the membrane than inside. C. the outside of the membrane is always negative. D. the outside of the membrane is always neutral. […]

The human red-blood-cell membrane is freely permeable to water but…

The human red-blood-cell membrane is freely permeable to water but not at all to sucrose. The membrane forms a completely closed bag, and it is found by trial and error that adding the cells to a solution of a particular concentration of sucrose results in neither swelling nor shrinking of the cells. In a separate […]