Short cell theory power point to use with your graphic organizer

1. Cell Theory
• State the parts of
the cell theory.
• Identify the 2
types of cells
(with/without
nucleus).
• Name 2 eukaryote
cells.

2. Cells & Cell Theory
 In1665, Robert Hooke was the first person
to describe cells when looking at cork
with a microscope.
 He observed cells in plants and fungi.
 In 1673, Anton von Leeuwenhoek
discovered single-celled organisms
(protists) in pond scum. He was the first to
see blood cells, bacteria cells, and yeast
cells.

3. Cells and Cell Theory
 In 1838, Matthias Schleiden concluded
that all plants parts were made of cells.
 In 1839, Theodor Schwann concluded
that all animal tissues were made of cells.
 In 1858, Rudolf Virchow stated that all cells
could form only from other cells.
These 3 discoveries led to the cell theory.

4. Cells and Cell Theory
Cell Theory states:
All organisms are made of
one or more cells.
The cell is the basic unit of
ALL living things.
All cells comes from existing
cells.

5. Cells and Cell Theory

6. Cell and Cell Theory
Prokaryote Eukaryote
 Single-celled  Multi-cellular
organisms that DO organism that DO
NOT have a have a nucleus
nucleus or and membrane-
membrane-bound bound organelles.
organelles.  Plant and animal
 Eubacteria and
archaebacteria

7. Animal Cell

8. Plant Cell