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- Colony formation can be observed in liquid media. a) Trueb) FalseYou saw no color change in both the first step and second step of the Nitrate Reduction test. What is the result of this experiment? Also, explain what happens when an excessive amount of zinc is added in the second step of this test.True or false. Based on the above results none of the above cultures showed motility. View attached photo.
- Using this picture fill in this table Experimental Conditions # of colonies/plate The appearance of colonies under U.V. light +pGLO on L.B./amp +pGLO on L.B./amp/ara -pGLO on L.B./amp -pGLO on L.B.Derailed description of the following test / media SIM mediumOven sterilization at 121˚C was performed on glassware for 15 minutes only. Effect: Rationale:
- The optimum growth pH for a microorganism is usually: 4,5,7 or 8You are given reference temperature 121 °C, Z value 10 °C, F0 15 min for killing Clostridium botulinum in commercial sterilization. Calculate F value when sterilized at 131 °C in canning processing.In some hospitals, short wavelength irradiation of patients room is a way to kill pathogens and endospores contaminating surfaces. True or false?
- True or false? it is possible to kill or remove all microorganisims by hand washing or using hand sanitizer ?The following figures are the photomicrographs of the samples taken with Kern&Sohn Camera Microscope at 10x magnification. Samples were stained with Lugols solution for better viewing. Differentiate these two imageIf my cultures are suffering severely due to alkaloid production and accumulation in the medium, how can I overcome this problem?