1. What is an antibiotic?
2. Who discovered penicillin and in what year?
3. In which year was penicillin, the first true antibiotic, discovered by Alexander Fleming?
Introduction to Antibiotics
Agents that inhibit or kill bacteria, used to treat infections.
Antibiotics — definition?
Agents inhibiting or killing bacteria.
Historical Development
Penicillin's discovery in 1928 started the antibiotic era, leading to resistance issues.
Bactericidal vs bacteriostatic — difference?
Kills bacteria vs inhibits growth.
Mechanisms of Action
Target bacterial cell wall, protein, nucleic acid synthesis, or metabolism.
Spectrum of activity — meaning?
Range of bacteria targeted.
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