Please give me the answer to the A-level Biology Question Could you explain the difference between passive diffusion and facilitated transport?

A-level Biology Help >>>>> What is the difference between active diffusion and facilitated transportation? Passive diffusion takes place without transmembrane protein involved. The molecules traverse the bilayer of lipids by with a concentration gradient (from the highest to lowest). Small, uncharged molecules or hydrophobic ones travel in this manner (the most effective illustration could be the H2O).
Facilitated transport can also be described as an increase in concentration, but in this case , the molecules pass through the cell membrane by using certain transmembrane protein. They aid in their travel they act as channels for the molecules (e.g. ions, glucose...).
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