Transcript PowerPoint Presentation - THE HISTORY OF THE CELL THEORY

THE HISTORY OF THE CELL
THEORY
THE RELATIONSHIP BETWEEN
TECHNOLOGY AND
THEORY
FRANCESCO REDI
• 1626 - 1697
• Experimented to test
the theory of
spontaneous
generation
Louis Pasteur 1822-1895
• Studied microorganisms
• Fermentation
• Pasteurization
• Tested the theory of
Spontaneous
Generation
Robert Hooke (1635-1703)
• Named “cells” while
looking at a piece of
cork
• Used a compound
microscope
Anton van Leeuwenhoek
(1632-1723)
• Built his own simple
microscopes
• Observed and
described many microorganisms
The Cell Theory
• Matthias Schleiden and Theodor Schwann proposed the
cell theory
• All organisms are composed of one or more cells
• The cell is the smallest functional unit of life
• All cells are produced from other cells