A substance moves by facilitated diffusion into a cell. What is required for its transport?
A) ATP
B) ATP and a protein channel
C) protein channel
D) neither ATP nor a protein channel

Question

Quizplus · Accepted Answer

Facilitated diffusion requires a protein channel to help the substance move across the cell membrane, but it does not require ATP as it is a passive transport process.

A Substance Moves by Facilitated Diffusion into a Cell