1 .		Who is known as the inventor of the microscope? [Hint]
2 .		The notion that extracts from the environment, (particularly extracts of heart, etc.), might be used as a way to culture bacteria was largely done under the leadership of [Hint]
3 .		Many good researchers who where studying the question of spontaneous generation in vegetable infusions were unable to reproduce Pasteur's results (i.e., their work suggested spontaneous generation occurred). Why? [Hint]
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