Table 7.3 The following data were obtained by incubating gram-positive bacteria in nutrient medium + disinfectant for 24 hr, then transferring one loopful to nutrient medium (subculturist = growth; - = no growth) Doom K.O. Dilution Initial Subculture Initial Subculture 1:16 + 1:32 + + + 1:64 + + + 1:128 + + + Mortum Sterl Dilution Initial Subculture Initial Subculture 1:16 + 1:32 + + 1:64 + + 1:128 + + + + In Table 7.3, which disinfectant was bactericidal? Doom OK.O. Mortum Sterl Can't tell