2.1 Facilitated diffusion via carrier Outside of cell Concept: Diffusion ligher concentration carried out by carrier o/o-Glucose protein Substance: glucose Carrier O amino acid protein Mechanism: a ferry Membrane-参000 orshuttle process Inside of cell Lower concentration31 2.1 Facilitated Diffusion via carrier ➢Concept: Diffusion carried out by carrier protein ➢Substance: glucose, amino acid ➢Mechanism: a “ferry” or “shuttle” process