Simple Diffusion SMALL CO2 HYDROPHOBIC MOLECULES N2 benzene SMALL H2O UNCHARGED POLAR glycerol ethanol MOLECULES LARGER amino acids UNCHARGED POLAR glucose nucleotides MOLECULES H+, Na HCO, K- IONS Ca CI Mg synthetic lipid bilayer
➢ Simple Diffusion
Facilitated Diffusion via carriers s Conformational change
via carriers ➢ Facilitated Diffusion