BIOL 446 Lecture Notes - Lecture 22: August Weismann, Walther Flemming, Rudolf Virchow
Document Summary
Uric acid irst organic molecules synthesized. Disinguished larva and adult form of tapeworms; and disinguished the two types of. Sausage making (his family was in the business) tasing raw meat get tape worm tapeworms in pork and beef. ** cell theory is dependent on good microscope not unil 1800s that microscope became useful to biologists. Cell theory: schleiden and schwann in early 1800s. Plant cells crystalized with the help of other plant cells and other substances. Early german workders (van beneden, strasburger) disinguished cytoplasm and nucleoplasm. Mitosis discovered by walther flemming because microscope made it possible to see cells and their interior easily. Chromaic aberraion and its correcion with double lens design. Two types of aberraion: axial occur throughout the whole image because the point of image for diferent wavelengths at diferent point. Kohler developed focused available light you have to a certain objecive. Analine dyes allowed more difereniaion of internal consituents of cells.
