Download 12/10/09

12/10/09
To understand the functions carried on by the different
parts of the cell, you must first understand why these
parts are even needed. The easiest analogy is to compare a
cell to a factory.
THE PRODUCT OF THE CELL
IS A PROTEIN.
Proteins are vital to life - all cells must produce them
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The Cell Organelles
The Factory Counterparts
1. nucleus
1. The central office
2. ribosomes
2. Assembly line workers
3. endoplasmic reticulum
3. Internal transport
4. Golgi apparatus
4. Packaging
5. vesicle
5. Shipping
6. mitochondria
6. Generator (energy supply)
7. vacuole
7. Storage
8. lysosome
8. Recycling center
9. proteins found in cell
9. Doors into the
membrane
building
10 cell membrane and/or 10. Building
cell wall
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Rough ER!
Chromatin!
Nucleolus!
Nuclear!
pore!
ER continuous!
with outer membrane!
of nuclear envelope!
Outer!
nuclear!
membrane! Nuclear pore!
Do not post photos on Internet!
(a)! 2 µm!
Nuclear!
pore!
(c)! proteins!
Inner nuclear!
membrane!
Fig. 4.12a, c!
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Cell wall!
Plasma membrane!
Vacuole!
Fig. 4.08!
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