(a) Scanning electron micrographs showing single wild-type (i) and resistant (ii) cells (magnification, ×45,000; bar = 100 nm). (b) Scanning electron micrographs of the wild-type strain (magnification, ×27,000; bar = 1 μm) (i) and an Almr variant (Efv5.2) (magnification, ×45,000; bar = 100 nm) (ii) in the presence of alamethicin.