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You should also make sure that you are healthy and not allergic to any metals
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E N D Presentation Transcript Kuliah ke-2 SEJARAH VIROLOGI TUMBUHAN Tulipomania late 16th century Before it was known to be caused by a virus, tulips with color breaking symptoms were prized and traded for large sums of goods this led to tulipomania in the late 1500s Traded for 1 Viceroy tulip bulb: 4 tons of wheat 8 tons of rye 4 fat oxen 8 fat pigs 12 fat sheep 2 hogsheads of wine 4 barrels of beer 2 barrels of butter 1000 lbs of cheese 1 bed with accessories 1 full dress suit 1 silver goblet Adolf Mayer 1886 showed that Tobacco mosaic virus was transmissible, could not find bacteria or fungi associated with disease TMV Dmitri Ivanowski - 1892 showed that Tobacco mosaic virus was not retained by filters that retained all bacteria known at that time Martinus Beijerinck - 1898 repeated demonstration that Tobacco mosaic virus was not retained by filters that retained all bacteria known at that time Believed results Did extensive dilution experiments Showed diffusion of infectious agent through agar Named contagium vivum fluidum, later virus Wendell Stanley 1935 At Rockefeller Foundation in Princeton Crystallized TMV, thought it was only protein TMV Stanley Hall, U.C
Participants in the study were able to note multiple reasons why they regularly used non-cigarette tobacco products
The mould is highly weather sensitive
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