by Roberto — Who would have thought it? That the bac­te­r­ial cell wall would turn out to be so read­ily dis­pens­able. Among the first lessons I taught on bac­te­r­ial cell struc­ture was the fact that the ever present cell wall, com­posed pre­dom­i­nantly of pep­ti­do­gly­can, forms a pro­tec­tive shield around the cy­to­plas­mic mem­brane. A shield that pre­vents the bac­te­r­ial cell...