Penicillin is obtained from:
Correct answer: A. Penicillium notatum
- A. Penicillium notatum
- B. Aspergillus fumigatus
- C. Aspergillus flavus
- D. Penicillium chrysogenum
Explanation
Penicillium notatum is the fungus from which Alexander Fleming first isolated penicillin in 1928, marking a groundbreaking advancement in the treatment of bacterial infections. While Penicillium chrysogenum is used in industrial production today due to its higher yield of penicillin, Penicillium notatum remains historically important for its initial role in antibiotic discovery. Aspergillus fumigatus and Aspergillus flavus are unrelated to penicillin production, with the former being a pathogen and the latter a producer of harmful toxins.
This question appeared on the UHS MDCAT 2009 paper, which you can sit online with every answer explained.
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Fungi are mainly multicellular, non-photosynthetic organisms with chitinous cell walls that obtain nutrients by extracellular digestion and absorption. Coverage includes hyphae, mycelium, spores, yeast, moulds, mushrooms, decomposer and parasitic roles, and the differences between fungi, plants and bacteria.
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