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Cell Theory

Published on Nov 20, 2015

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PRESENTATION OUTLINE

1.

CELL THEORY

ONE OF THE FIRST UNIFYING CONCEPTS DEVELOPED IN BIOLOGY
Photo by Scot Nelson
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
Photo by Tatcher a Hainu
3.

CONTRIBUTORS TO CELL THEORY

EARLY STUDIES LED TO THE DEVELOPMENT OF THE CELL THEORY
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4.

HOOKE

  • First to identify cells, and he named them
Photo by Matt From London
5.

LEEUWENHOEK

  • Observed cells in a greater detail
Photo by tetzl
6.

SCHLEIDEN

  • First to note that plants are made of cells
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7.

SCHWANN

  • Concluded that all living things are made of cells.
Photo by TheJCB
8.

VIRCHOW

  • Proposed that all cells come from other cells
Photo by Matti Mattila
9.

PROKARYOTIC CELLS

  • No nucleus
  • No membrane bound organelles
  • DNA uspended in cytoplasm
  • Single-celled organisms
Photo by yundaga
10.

EUKARYOTIC CELLS

  • Nucleus and membrane bound organelles.
  • Nucleus: largest organelle & encloses genetic material
  • Multi-cellular or single-celled organisms
Photo by tayej

Jack Nelson