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Cell Theory

Published on Nov 18, 2015

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PRESENTATION OUTLINE

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