Question

After incubation, does the antibiotic extend into the agar beyond the zone of inhibition? How does your answer relate to the concept of MIC?

1. Yes.
2. No.

Answer 1

After incubation, the antibiotic does not extend beyond the zone of inhibition in the agar. The Minimum Inhibitory Concentration (MIC) is the lowest concentration of an antibiotic that inhibits the visible growth of a microorganism.

Step-by-step explanation:

A zone of inhibition is the area around an antibiotic disk where bacterial growth is inhibited. After incubation, the antibiotic does not extend into the agar beyond the zone of inhibition. The zone of inhibition is an important indicator of the effectiveness of the antibiotic against the bacteria being tested.

The Minimum Inhibitory Concentration (MIC) is the lowest concentration of an antibiotic that inhibits the visible growth of a microorganism. It is determined by testing various concentrations of the antibiotic against the microorganism and observing if there is growth or no growth.