Discovering the Cells
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THEHISTORYOFCELLSRoel R. Maraya
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Robert Hooke (1665 )
Studied cork tissue and found tiny boxes and named it "cells".
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The tiny boxes seen by Robert Hooke through a
homemade microscope particularly a Compound
Microscope.
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Robert Hooke's Compound Microscope
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In 1831, Scientists observed the nucleus of a cell and named it "little nut".
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Matthias Schleiden (1838)
oa German Botanistostudied a variety of plant tissues and found out that every type was made of many cells.
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Theodor Schwann (1839)
•studied all animal tissues and found out that every type was made of cells too.
German Zoologist
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C ELLTH EO R Y
This states that cells are building blocks of
life and that cells come from other cells.
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Louis Pasteur (1857)
•a studied single-celled microorganisms
•developed Pasteur's Germ Theory that changed medicine
French chemist and microbiologist
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Examples ofMicroorganism
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Pasteur's Contributions:
•development of vaccination•made the first vaccine against rabies
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1940s Development
•scientists develop antibiotics•penicillin was discovered to
fight bacterial infections
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People in Science
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Gary Sayler
• a Beaman Distinguished Professor of Microbiology.
• studies how microbes (another name for microorganisms) live and how they interact with other living things.
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1857183918381665 1831
Robert Hooke names the cell
Scientists named the nucleus “little nut”.
Schleiden studied plant tissues
Schwann studied animal tissues
Pasteur researched on single-celled organisms
1997
Development of vaccination
First cloned organism
present
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That's all for now. Thank You!
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