The difference between simple diffusion and facilitated diffusion is that facilitated diffusion
A) moves materials from a lower to a higher concentration.
B) moves materials from a higher to a lower concentration.
C) does not require ATP.
D) requires transporter proteins.
E) requires ATP.

Question

Quizplus · Accepted Answer

Facilitated diffusion requires transporter proteins to help move substances across the cell membrane, unlike simple diffusion which does not require such proteins.

The Difference Between Simple Diffusion and Facilitated Diffusion Is That