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Which process moves a substance from a region of high concentration to a region of low concentration?
Which process moves a substance from a region of high concentration to a region of low concentration?
Which type of transport mechanism requires no energy to function?
Which type of transport mechanism requires no energy to function?
What is the major function of the cell membrane in regulating the entry and exit of molecules?
What is the major function of the cell membrane in regulating the entry and exit of molecules?
In which type of transport does an ion or molecule move down its concentration or electrochemical gradient?
In which type of transport does an ion or molecule move down its concentration or electrochemical gradient?
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What is the process in which water moves across a selectively permeable membrane from an area of higher water concentration to an area of lower water concentration?
What is the process in which water moves across a selectively permeable membrane from an area of higher water concentration to an area of lower water concentration?
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