Question

question 3 of 10
which type of transport is used to move a molecule from a region of low concentration to a region of high concentration?
a. passive transport
b. active transport
c. osmosis
d. diffusion

Explanation:

Passive transport (including osmosis and diffusion) moves molecules from high to low concentration. Active transport uses energy to move molecules against the concentration gradient, from low to high concentration.

Answer:

B. Active transport