Carrier molecules are required for
A) osmosis.
B) both osmosis AND diffusion.
C) facilitated diffusion.
D) active transport.
E) both facilitated diffusion AND active transport.

Question

Quizplus · Accepted Answer

Carrier molecules are essential for both facilitated diffusion and active transport because these processes involve the movement of substances across cell membranes with the help of specific proteins, unlike osmosis and simple diffusion that do not require such molecules.

Carrier Molecules Are Required for