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Cell Theory

Cell Theory. Defining something invisible that you look at all day. Cell Theory. What we will talk about. Quick Review of Hypothesis vs. Theory History of the Cell Theory Major players What is the Cell Theory. Cell Theory. First we Review. Hypothesis

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Cell Theory

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  1. Cell Theory Defining something invisible that you look at all day

  2. CellTheory What we will talk about • Quick Review of Hypothesis vs. Theory • History of the Cell Theory • Major players • What is the Cell Theory

  3. CellTheory First we Review • Hypothesis Testable explanation of a situation. • Theory Explanation of Natural Phenomenon based on many observations and investigations OVER TIME

  4. CellTheory History of the Cell Theory More than just a day in the making

  5. CellTheory First we had to open our eyes.

  6. CellTheory Invention of the Microscope 1590 Dutch lens grinders Hans and Zacharias Janssen invent the compound microscope

  7. CellTheory But it takes almost 80 years.. Robert Hooke – 1665 English Scientist observes cork and calls the tiny chambers cells, For Cellulae (Latin for small rooms)

  8. CellTheory Another look Anton van Leeuwenhoek – 1683 Designs his own microscope and discovers microscopic animals in water Matthias Shleiden – 1838 Concluded that all Plants are made of cells Theodor Schwann – 1839 Concluded that all Animals are made of cells

  9. CellTheory One more look Rudolph Virchow – 1855 All cells come from the division of existing cells

  10. CellTheory Throw it all together Combining centuries of studies that have been aided and enabled by better technology

  11. CellTheory The Cell Theory • All living things are composed of cells • Cells are the basic units of structure and organization • Cells come from existing cells

  12. CellTheory References • Biggs, A. (2012). Biology. Columbus, OH: McGraw-Hill Education. • Cell Lab Pictures. (n.d.). Mrs. Aiello's Home Page. Retrieved September 10, 2013, from http://www.biolady.net/labs/cell_lab_pictures.html

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