Active transport occurs in cells, for example, when the na-k pump is at work. any process that involves active transport most often involves the a) movement of molecules without any predictable pattern. b) movement of molecules from a lower concentration to a higher concentration. c) movement of molecules from a higher concentration to a lower concentration. eliminate d) movement of molecules from a lower to higher concentration and then back to the point of origin.
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Active transport occurs in cells, for example, when the na-k pump is at work. any process that invol...
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