MCQ
The first antibiotic was discovered accidently by __$A$__ while working on __$B$__.
- A$A-$Waksman ; $B-$Streptococcus
- B$A-$Fleming; $B-$Penicillium notatum
- C$A-$Waksman; $B-$Bacillus brevis
- ✓$A-$Fleming; $B-$Staphylococci
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