You perform the disk diffusion test to test the antimicrobialdrug resistance characteristics of a strain of Salmonellatyphi. The ciprofloxacin disk produces a 15 mm zone ofinhibition. Why exactly is the zone 15 mm and not 16 mm or 14 mm?Compare and contrast the components of the agar 14 mm away from thedisk and the components present at 16 mm away from the disk.
