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Questions and Answers
What is an antibiotic?
What is an antibiotic?
An antibiotic is a chemical substance produced by a living organism which can stop the growth of some disease-producing bacteria and fungi.
Who discovered the first antibiotic, penicillin, and how was it discovered?
Who discovered the first antibiotic, penicillin, and how was it discovered?
Alexander Fleming discovered penicillin. He observed that some bacteria growing in a culture were destroyed by an accidental contamination of a mould Penicillium chrysogenum.
Why do bacteria produce spores?
Why do bacteria produce spores?
Bacteria produce spores as a protective mechanism to survive in harsh conditions.
What is the source organism of streptomycin, another important antibiotic?
What is the source organism of streptomycin, another important antibiotic?
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What is the common method of reproduction in bacteria?
What is the common method of reproduction in bacteria?
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How are bacteria used in medicine?
How are bacteria used in medicine?
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What was the accidental contamination that led to the discovery of penicillin?
What was the accidental contamination that led to the discovery of penicillin?
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Who discovered streptomycin and from what source organism?
Who discovered streptomycin and from what source organism?
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