Question

this video shows potassium ions moving by facilitated diffusion until they reach a state of equilibrium. select the true statements. once equilibrium is reached via facilitated diffusion, molecules stop moving completely. in facilitated diffusion, molecules move down their concentration gradient to reach equilibrium. facilitated diffusion is a form of active transport. facilitated diffusion makes it possible for charged molecules to cross the cell membrane without being repelled by phospholipid tails.

Explanation:

• Molecules don't stop at equilibrium in facilitated diffusion. They move down concentration gradient. It's passive, not active. Charged molecules can cross via facilitated diffusion.

Answer:

• In facilitated diffusion, molecules move down their concentration gradient to reach equilibrium.
• Facilitated diffusion makes it possible for charged molecules to cross the cell membrane without being repelled by phospholipid tails.