Question

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.
d.movement of molecules from a lower to higher concentration and then back to the point of origin.

Answer 1

B. Movements of molecules from a lower concentration to a higher concentration.