BIOLOGY 2EE3 Lecture Notes - Antonie Van Leeuwenhoek, Robert Hooke, Animalcule
15 Jun 2022
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Of the pores of cork, and other bodies. , of wood, and other bodies, petrified. , of the surfaces of some leaves, of hair, of peacocks feathers, of the head of a fly. , of a water insect, of a louse, Still widely believed that life could spontaneously form from non-living matter (spontaneous generation) and disease was caused by angry gods or bad air. Idea was debunked particularly by pasteur and koch. 1860"s louis pasteur (1822-1897): yeast in beer/wine responsible for fermentation that produces alcohol and co2: froth on top of beer is yeast; not a by-product of beer, but responsible for it. Louis pasteur disproved the idea of spontaneous generation: determined by swan neck flask, you would need entry of organisms into the flash for contamination. Pasteurization: micro-organisms are responsible for the spoiling of beverages: heating beverages like milk killed most bacteria and mold within and had a preservative effect.
