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Transcript
Discovering the Cell Robert Hooke Author of “Micrographia.” First coined the word “cell” to describe what he saw in a thin slice of cork. Anton van Leeuwenhoek Leeuwenhoek’s Microcscope Cell discoveries in the 19th century • Discovery of the nucleus: 1833 (Robert Brown) • Description of cell division: 1879 (Walter Fleming) The Electron Microscope Invented 1938 by Ernst Ruska. Allowed scientists to look into the cell in much greater detail. Ruska’s Microscope TEM: Cell Membrane SEM: Cell Membrane Fluid Mosaic Model