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How many antibiotics have still been isolated?

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in Drug Biotechnology by (138k points)
How many antibiotics have still been isolated?

(a) 5000

(b) 2000

(c) 7000

(d) 3000

This question was posed to me during a job interview.

My doubt stems from Production of Antibiotics (Isolation of Fermentation Products) topic in portion Antibiotics & Enzyme Immobilization of Drug Biotechnology

1 Answer

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Right answer is (c) 7000

To explain: Although more than 7,000 antibiotic compounds have been isolated till date, only 100 or so are being used to treat human, animal and plant diseases. The first antibiotic discovered was penicillin by Alexender Fleming.

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