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It is the area on an agar plate where growth of a control organism is prevented by an antibiotic usually placed on the agar surface. If the test organism is susceptable to the antibiotic, it will not grow where the antibioitic is.
The size of the zone of inhibition is dependent on the diffusion rate of the antibiotic, the degree of sensitivity of the microorganism, and the growth rate of the bacterium.
A larger zone of inhibition means that the applied agent has either inhibited or killed the organisms that were spread on the plate and that those organisms are susceptible to that agent. In other...
Different antibiotic act differently on particular microbe some are very effective and some are less it can be measure by the diameter of zone of inhibiton, although two or more antibiotic also shwo...
Zone of inhibition :-It is the area on an agar plate where growth of a control organism is prevented by an antibiotic usually placed on the agar surface. If the test organism is susceptable to the...