What is the permeability of a lipid bilayer to non-polar uncharged molecules, ions, large molecules, and small uncharged molecules?
1) High permeability to non-polar uncharged molecules and small uncharged molecules, low permeability to ions and large molecules
2) Low permeability to non-polar uncharged molecules and small uncharged molecules, high permeability to ions and large molecules
3) Equal permeability to all types of molecules
4) Permeability depends on the concentration gradient of the molecules