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BIOLOGY
The first antibiotic discovered was...

The first antibiotic discovered was

A

Penicillin

B

Chloromycetin

C

Cephalosporin

D

Streptomycin

Text Solution

AI Generated Solution

The correct Answer is:
**Step-by-Step Solution:** 1. **Understanding Antibiotics**: Antibiotics are substances that can kill or inhibit the growth of bacteria. They are produced by certain microorganisms and are used to treat infections caused by bacteria. 2. **Historical Context**: The discovery of antibiotics marked a significant advancement in medicine. The first antibiotic discovered was a result of research into substances that could combat bacterial infections. 3. **Key Discovery**: The first antibiotic discovered was Penicillin. This was identified by Alexander Fleming in 1928 when he observed that a mold called Penicillium notatum had antibacterial properties. 4. **Mechanism of Action**: Penicillin works by inhibiting the growth of bacteria, effectively stopping the spread of infections. It does this by interfering with the bacteria's ability to form cell walls, which is essential for their survival. 5. **Conclusion**: Therefore, the correct answer to the question "The first antibiotic discovered was" is Penicillin. **Final Answer**: Penicillin ---
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