Question

question 15 which of the following is not an example of active transport? a endocytosis b facilitated diffusion c exocytosis d sodium potassium pump

Explanation:

Active transport requires energy to move substances against the concentration gradient. Endocytosis, exocytosis, and the sodium-potassium pump are active transport. Facilitated diffusion is passive (no energy, down gradient).

Answer:

B. facilitated diffusion