BIOL 134 Lecture Notes - Lecture 2: Cowpox, Gangrene, Miasma Theory
Document Summary
Cell theory robert hooke: compact microscope 2 lenses or more, first description of cells, beginnings of cell theory. All living things are composes of cells. Animalcules (1670s to 1720s) anton van leeuwenhoek first to see microbes: really good at making lenses, used a simple microscope, but with masterful lenses, amateur scientist, first to observe unicellular organisms. Propose a hypothesis to explain what you observe. Think of testable predictions based on your hypothesis: a good hypothesis has to be able to be proven wrong. If the results are consistent with your predictions, your hypothesis is supported. If a hypothesis is supported by enough tests, it will eventually be considered a theory, and with time we may consider it a law, or principle. The question: does life arise spontaneously, or do living things give rise to other things. Louis pasteur made the final argument on the issue in 1861. Results were not consistent with the predictions of spontaneous generation.
