Question 21 of 40
Q.What are the notable antibiotics ?
Puducherry TnboardTamil Nadu HSC (DGE) Board 2016Subjective· 3mImportance★★★★★
53% · 21/40 Questions
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Start your 14-day free trial to unlock the full solution →Antibiotics are microbe-derived chemical substances that kill or inhibit the growth of other microorganisms, and several have become globally important medicines.
Notable antibiotics:
- Penicillin — the first antibiotic discovered (Alexander Fleming, from the mould Penicillium notatum); active mainly against Gram-positive bacteria; the basis of the later semi-synthetic penicillin family.
- Streptomycin — produced by the soil actinomycete Streptomyces griseus; broad-spectrum, historically important for treating tuberculosis.
- Tetracycline — a broad-spectrum antibiotic from Streptomyces species, effective against a wide range of Gram-positive and Gram-negative bacteria.
- Chloramphenicol — broad-spectrum, originally isolated from Streptomyces venezuelae. …
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