BIO 3124 Lecture Notes - Lecture 9: Symbiogenesis, Spontaneous Generation, Germ Theory Of Disease
20 Dec 2018
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Describe key historical events associated with the birth of microbiology; leeuwenhoek, pasteur, koch, hooke, and woese and what they contributed to microbiology. Explain the theory of spontaneous generation and how this theory was put to rest with. Leeuwenhoek: best lens with greatest magnification and resolution convinced people there is a whole other world out there. Spontaneous generation: people thought life was generated from a pool of nutrients and chemicals that were life promoting soup - genetics didn"t fully exist and didn"t know about dna. 4 postulates pathogen present in all cases of the disease and absent from healthy animals some infected never develop disease or will years later pathogen grown in pure culture. Woese: proposed to group life into 3 domains; bacteria, archaea, and eukarya. Explain the key points of cell theory, germ theory, endosymbiotic theory and spontaneous generation. Cell is the basic unit of structure and organization in organisms. Spontaneous generation: life can arise from nonliving matter.
