1. Biology Chapter 3 CYTOLOGY

2. The Cell Theory
Schwann
Schleiden
Virchow

3. Cell - Basic Unit of Life

4. Uni- Multi- The Cell Theory states:
1. All living things are made of one
or more cells –
Uni-
Multi-

5. 2. Cells are the basic units of
_______ and _______
cells -- ___ -- ___ -- ___ -- ___ ??

6. Skin Cells Nerve Cells Muscle Cells
Examples of cells:
Skin Cells
Nerve Cells
Muscle Cells

7. 3. All existing cells are produced from living cells
cell union OR cell division -

8. Cells Prokaryote p.72 Ex: Bacteria cell membrane cytoplasm Bacterium
(colored SEM; magnification 8800x)
cytoplasm

9. Eukaryotic cells – pg. 72
nucleus
organelles
cell membrane

10. Organelles cell membrane pg. 81 1. outer boundary outside inside
2. selectively permeable
3. phospholipid bilayer (fig. 3.1)
a. hydrophilic (polar)
b. hydrophobic (nonpolar)
outside
inside

11. cytoplasm -

12. nucleus pg. 75

13. nuclear envelope-

14. nucleolus-

15. ribosome- pg 76

16. Endoplasmic reticulum-
1. smooth
2. rough
3. vesicle

17. golgi apparatus (body) - pg 76

18. mitochondria- pg. 77

19. cytoskeleton – pg. 73
1. microfilament
2. microtubule
3. intermediate filament

20. Animal Cell
Unique Organelles
Food Vacuole

21. lysosome pg. 78

22. centriole

23. Plant Cell Unique Organelles
A plant cell does NOT have a lysosome, food vacuole, or centrioles…WHY NOT?

24. Plant Cells

25. cell wall pg. 79

26. central vacuole: pg. 77

27. chloroplast -
“chloro”-

28. Optional structures of Cells
Cilia
Flagella

29. Cell Review

30. Draw the cells for review

31. Unitedstreaming Resources www.unitedstreaming.com
"Prokaryotic Cells." Elements of Biology: The Cell: Structure and Function. United Learning “
“Cytoplasm of Plant Cells.” Biology: The Science of Life . United Learning. 2002
“ Cells: Basic Unit of Life.” Biology: The Science of Life. United Learning. 2002
“Parts of an Animal Cell.” Introducing the Cell. Rainbow Media. 1997
“ The Electron Microscope. ” The Incredible World of Microscopes.
Rainbow Media
“The Animal Cell.” Image file. Paul Fuqua. 2002