Download The Cell Theory Notes

Mrs. Keadle JH Science
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The Cell Theory Notes
1. Many important scientists aided in the discovery of the cell and the formulation of the cell
theory.
Scientist
Contribution
1
Zacharias Janssen
2
Anton Von Leeuwenhoek
3
Robert Hooke
4
Matthias Schleiden
5
Theodor Schwann
6
Rudolf Virchow
The Cell Theory
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Mrs. Keadle JH Science
7. The Cell Theory
a. all organisms are made of _____________________________________
b. ________________________ are the basic units of structure and function for all
_________________________ things
c. All cells come from other _____________________________.
8. The cell is___________________________________________________________________
___________________________________________________________________________.
9. Prokaryotes are cells that do not have a ______________________
or other cellular ___________________________.
10. Eukaryotes have a ______________________ surrounded by a nuclear________________.
The Cell Theory
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Mrs. Keadle JH Science
11. Unicellular organisms are composed of ___________________________ cell.
12. Multicellular organisms are made up of ___________________________cells.
Match the scientist with the correct letter stating his contribution to cell discovery.
_______ 13. Zacharias Janssen
A German histologist that concluded all
cells come from other cells
_______ 14. Rudolf Virchow
B German physiologist that concluded all animals
are made of cells
_______ 15. Robert Hooke
C Came up with the word "cell" after studying cork
under the microscope
_______ 16. Theodor Schwann
D German botanist who concluded that all plants
are made of cells
_______ 17. Anton Von Leeuwenhoek
E Dutch tradesman who made the first simple
microscope
_______ 18. Matthias Schleiden
F Dutch scientist that built a compound
microscope with his father.
Match the word with the correct definition.
______19. prokaryote
A. organism made up of many cells
______20. eukaryote
B. cell that does not have a nucleus
______21. unicellular
C. cell with a nucleus
______22. multicellular
D. organism made up of one cell
The Cell Theory
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Keadle JH Science
Read the Coloring Activity passage and color this according to thoseMrs.
instructions.
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The Cell Theory
Mrs. Keadle JH Science
33
32 Which invention most influenced
the development of the cell
theory?
Which of the following scientists
gave us a modern understanding
of cell reproduction (mitosis)?
31
F
Schleiden
A
centrifuge
G
Schwann
B
microscope
H
Virchow
C
thermometer
J
All of the above
D
spring scale
In all living things, the presence
of what structure supports the
cell theory.
F
Which factor contributed most to the
development of the cell theory?
A
The discovery of many new species
during the last century.
B
The development of technology
that can determine chemical
composition
C
The increase in knowledge about
rates of evolution.
D
The improvement in microscopes
over the last 200 years.
cell wall
G
cell membrane
H
vacuole
J
34
chloroplast
5
The Cell Theory