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Transcript
Cell Organelles
Pages 20-21
Organelles
Structures inside of cells that
perform different cell activities!
Also known as “little or tiny”
organs
Nucleus (Nuclei)
Known as the “control center” of the cell
Operates like our brain
Contains DNA instructions (our genetic
information).
Give the instructions for protein synthesis
NUCLEUS
Mitochondria (Mitochondrion)
Known as the “powerhouse” of the cell
This is the place where energy(ATP) is made
Contain folds called cristae
If you increase the surface area (# of folds),
MORE energy is made
Vacuole
Stores waste (mostly water)
Larger in plant cells than animal cells
Plants need to absorb excess water
Larger vacuole = more water
Smaller vacuole = less water
Chloroplast
ONLY Plant Cells have chloroplast
This is the place where photosynthesis takes
place – makes glucose!
Remember  photosynthesis is the reaction
plants use to make their own food
Ribosome
Site of PROTEIN PRODUCTION
RNA travels to ribosomes to make proteins
They look like small dots
Cilia & Flagella
• Help the cell move
• Cilia = short, hair-like structure
• Flagella = long, whip-like structure
Cytoplasm
• Gel-like substance throughout the
cell that holds the organelles in
place
Cell Wall
ONLY Plant Cells have a cell wall
Located on the outside of the plasma
membrane
Provides structure and support
Plasma Membrane
Can be called semi-permeable OR
selective
Allows certain material into
and out of the cell
Known as the “gate-keeper” of the
cell
Responsible for maintaining a
stable, internal environment
(HOMEOSTASIS)
Plasma Membrane
Also known as cell membrane
& phospholipid bilayer
Made of many phospholipids
Heads: Hydrophilic
(water loving)
Tails: Hydrophobic
(water fearing)
Plasma Membrane
• Proteins are found within the plasma membrane
– Channel Proteins  allow materials to pass
through
– Receptor Proteins  allows the cell to
communicate with other cells
Plasma Membrane
Cell-fies
Instructions: Draw and Color illustrations on the
front. On the back write the name of the organelle and provide the
function of each
Nucleus
Plasma
Membrane
Ribosomes
Vacuole
Mitochondria
Chloroplast
Cell Phones
Animals
1. Cell membrane
2. Cytoplasm
Membrane
3. Vacuole
Cytoplasm
4. Nucleus
Nucleus
5. Ribosomes
6. Mitochondria
7. Lysosome(Recycle)
8. Rough ER
Rough ER
9. Smooth ER
Plant
1. Cell Wall
2. Cell
3.
4.
5. Mitochondria
6. Chloroplast
7. Vacuole
8.
9. Smooth ER
Organelle
Plasma Membrane
Cell Wall
Cytoplasm
Nucleus
Mitochondria
Vacuole
Chloroplast
Ribosomes
How can I remember it?
Members only can come and go.
I'm a brick wall.
Sail through my plasma.
I'm the control center.
I am a "mighty" power house.
I'll store anything,(Hint: Vacuum Bags)
Make me something sweet to eat
I make “some” nice protein