Biology

Question

QUESTION 17

What would be observed in an antibiotic disc test if the bacterial strain was susceptible?

© A. Large clear zone around the disc

O B. No dear zone

© C. Reduction of bacterial growth but not fully clear

O D. The disc turns yellow

© E. Very narrow zone of clearing around the disc

Answer

A. Large clear zone around the disc

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In an antibiotic disc test, if the bacterial strain is susceptible, a large clear zone around the disc will be observed. This is because the antibiotic will...