Active transport means the molecules move against a concentration gradient from areas of lower concentration to areas of higher concentration.
Answer:
The word for the blank spot is Recessive.
Explanation:
<span>(4) active transport
</span>Active transport is the movement of molecules across a cell membrane in the direction against their concentration gradient, i.e. moving from an area of lower concentration to an area of higher concentration.
The answer is B. They are both made up of subatomic particles.