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 1 ST  SEMESTER COLLEGE OF ARTS AND SCIENCES BIOLOGY LECTURE (CAS 403) Topic:  MICROSCOPY Anthony Leeuwenhoek (1632-1723) -    First saw tiny animals swimming in a drop of water “Father of Microscopy” - Using a microscope Robert Hooke discovered cells in 1665, “English Father of  Microscopy” ALL LIVING THINGS ARE MADE UP OF CELLS       The light microscope enables us to see the overall shape and structure of a cell ELECRTON MICROSCOPE - Invented in 1950 - Use a beam of electrons instead of light  - Greater resolving power of electron microscope - Allows greater magnification Scanning Electron Microscope (SEM) Transmission Electron Microscope (TEM) What is a Cell? “cellulae” [Latin] definition: small rooms Basic unit of living matter separated from the environment by a plasma membrane The fundamental structural unit of life
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This note was uploaded on 07/19/2011 for the course SC 101 taught by Professor David during the Fall '10 term at American Intl. University.

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