10 Questions
What was the curious pattern of growth Alexander Fleming observed on the contaminated culture plates?
A clear area with no bacterial growth surrounding the mold
Which type of bacteria does penicillin work best on?
Gram-positive bacteria
What effect does penicillin have on bacterial cells?
It makes them leaky and fragile
Why did Fleming almost toss out the contaminated culture plates?
He thought the mold had no useful properties
What did Fleming name the active inhibitor produced by Penicillium chrysogenum?
Penicillin
When was the enormous usefulness of penicillin first realized?
In the 1940s when it was tested clinically and mass produced
What is the scientific name for the mold Fleming discovered?
Penicillium chrysogenum
What is the main reason why penicillin is considered an antibiotic?
It is produced by a fungus
How did Fleming describe the initial growth pattern he observed around the mold?
A zone where bacterial growth had been inhibited
Whose work led to the discovery of penicillin?
Alexander Fleming
Explore the historical debate on spontaneous generation by Needham and its refutation by Lazzaro Spallanzani. Learn about the experiments involving nutrient fluids and microorganisms conducted by these two scientists.
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