6 Questions
What distinguished viruses from other microorganisms, as mentioned in the text?
They could pass through a 0.2µ filter.
Who performed classical investigations on the mosaic disease of tobacco, as mentioned in the text?
Mayer
What key concept was first discovered about viruses according to the text?
They could pass through a 0.2µ filter.
Which scientist postulated enormously enhanced isolation and characterization of disease-inciting microorganisms or 'germs' in 1880?
Koch
What did viruses retain when passing through a porcelain filter, as mentioned in the text?
Infectivity
What was a limitation of viruses mentioned in the text that differentiated them from bacteria?
They could not be cultivated for study on artificial media.
Explore the historical development of understanding microorganisms as agents of disease, from vague poisons to the isolation and characterization of disease-inciting microorganisms. Learn about key figures like Pasteur and Koch and their contributions to microbiology.
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