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If a large clear zone is formed around an antibiotic disc placed on an agar...

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If a large clear zone is formed around an antibiotic disc placed on an agar plate, inoculated with bacteria. What does this indicate?a. The bacteria grow in an area on the plate where there were more nutrients.b. The antibiotics caused the bacteria, immediately around the disc, to mutate.c. The antibiotics killed the bacteria immediately around the disc.d. The bacteria is resistant to the antibiotic.

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