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

Select one:
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

It's a
Because active transport occurs against concentration gradient, hence it's unpredictable!