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Cell Theory
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Published on Nov 18, 2015
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1.
CELL THEORY
ONE OF THE FIRST UNIFYING CONCEPTS DEVELOPED IN BIOLOGY
2.
MAJOR PRINCIPLES OF THE CELL THEORY
All organisms are made of cells
All existing cells are produced by other living things
The cell is the most basic unit of life
3.
CONTRIBUTERS TO CELL THEORY
EARLY STUDIES LED TO DEVELOPMENT OF THE CELL THEORY
4.
CONTRIBUTORS TO CELL THEORY
Hooke: first to identify cells, and he named them
Leeuwenhoek: he made better lenses
Scleiden: the first to note that plants are made of cells
Schwann: concluded that all living things are made of cells
Virchow: proposed that all cells come from other cells
5.
PROKARYOTIC CELLS
No nucleus
No membrane bound organelles
DNA suspended in cytoplasm
Single celled organisms
6.
EUKARYOTIC CELLS
Nucleus and membrane bound organelles
Nucleus: largest organelle & enclosed genetic material
Multi-cellular or single-celled organisms
7.
THANKS FOR WATCHING THE CELL THEORY!
BY ANNA LEWIS
Anna Lewis
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