Question

Moving substances from a lower concentration to a higher concentration requires _____. a. passive diffusion b. facilitated diffusion c. active transport d. pinocytosis

Answer 1

C

Step-by-step explanation:

Answer 2

C. It requires active transport because the use of energy is necessary, the natural and opposite flow to this, would be from high to low concentration that requires little to no energy (i.e passive diffusion).