PLZ HELP FAST! Which of the following explains how carrier proteins function in transporting molecules across the membrane of th
e cell during facilitated diffusion? A They catalyze reactions that move solutes in or out of the cell.
B They change shape to move molecules in or out of the cell.
C They create tunnels for solutes to move in or out of the cell.
D They provide energy to move molecules in or out of the cell.
