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This theory is one of the foundations of biology. Cell Theory WebQuest Name: Octavia Butler Cell Theory Timeline Zacharias Janssen Anton van Leeuwenhoek Robert Hooke Matthias Schleiden Theodor Schwann Rudolph Virchow du/optics/timeline/peopl e/janssen.html k/antonvanleeuwenhoek. The Cell Theory Background Information: http://library.thinkquest.org/12413/theory.html. http://www.biology.arizona.edu/cell_bio/tutorials/cells/cells3.html Cell theory 1 Cell theory A prokaryote Cell theory refers to the idea that cells are the basic unit of structure in every living thing. Development of this theory during the mid 17th century was made possible by advances in microscopy. This theory is one of the foundations of biology.

Hans & Zacharias Janssen. – 1595. – Produced the first microscope by lining up two lenses Learn cell theory timeline with free interactive flashcards. Ernst Abbe The Microscope was invented Zacharias Janssen invented the microscope. Common to invented in 1590 by Francis Janssen and Zacharias Janssen. In the coming years, the cell theory was to be extended and refined further.

Credit for the first compound (more than one lens) microscope is usually given to Zacharias Jansen, of Middleburg, Holland, around the year 1595.

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This contributed to the cell theory by making it easier and more Janssen was the son of a spectacle maker named Hans Janssen, in Middleburg, must have played a vital role, since Zacharias was still in his teens in the 1590s . clinching evidence in support of Harvey's theory of blood circulat development of the cell theory.

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This contributed to the cell theory by making it easier and more practical to observe cells. 2. Hans and Zacharias Janssen produced the first compound microscope by combining two convex lenses within a tube. 3. 2020-03-25 · Hans and Zacharias Janssen were a Dutch father and son accredited with the creation of the first microscope.
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Hans & Zacharias Janssen (1580-1638) Zacharias Janssen is generally believed to be the first investigator to invent the compound microscope in the year … Zacharias Janssen originated from the Netherlands, he was a dutch spectacle maker. Around the 1590's Janssen made the first compound microscope as (seen above). He also made the first telescope.

Janssen is sometimes also credited for inventing the first truly compound microscope.
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Anton Van Leeuwenhoek used the Hans and Zacharias Janssen's microscpe to invent a new type of microscope and so became the first person to see single-celled animals with a microscope. Also, through his invention, he was able to discover bacteria. Hans & zacharias janssen. They created the first compound optimal micro scope in 1595, Cell theory states that all living this are made of cells, cells are the basic unit of structure and function in all living things, and cell come from other cells. Citations "Cell Theory Timeline." 2007-10-08 Hans and Zacharias Janssen Anton van Leeuwenhoek Rudolf Vichow. Hans and Zacharias Janssen- The two were spectacle makers.

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A. cells are the basic unit of structure and function of living things.