Biology, asked by jhss4844, 1 year ago

History of cell biology in english brief information

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Answered by Anushkadarekar
3
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#1632–1723: Antonie van Leeuwenhoek teaches himself to make lenses, constructs basic optical microscopes and draws protozoa, such as Vorticella from rain water, and bacteria from his own mouth.

#1665: Robert Hooke discovers cells in cork, then in living plant tissue using an early compound microscope. He coins the term cell (from Latin cella, meaning "small room") in his book Micrographia (1665).

#1839: Theodor Schwann and Matthias Jakob Schleiden elucidate the principle that plants and animals are made of cells, concluding that cells are a common unit of structure and development, and thus founding the cell theory.

#1855: Rudolf Virchow states that new cells come from pre-existing cells by cell division (omnis cellula ex cellula).

#1859: The belief that life forms can occur spontaneously (generatio spontanea) is contradicted by Louis Pasteur (1822–1895) (although Francesco Redi had performed an experiment in 1668 that suggested the same conclusion).

#1931: Ernst Ruska builds the first transmission electron microscope (TEM) at the University of Berlin. By 1935, he has built an EM with twice the resolution of a light microscope, revealing previously unresolvable organelles.

#1953: Based on Rosalind Franklin's work, Watson and Crick make their first announcement on the double helix structure of DNA.

#1981: Lynn Margulis published Symbiosis in Cell Evolution detailing the endosymbiotic theory.
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