1. Cell Organelles

2. 2 Types of Cells
Plant Cell
Animal Cell

3. Why Do We Study Cells? Cells  Tissues  Organs  Bodies
Our bodies are made up of cells!
Cells are the basic unit of life.

4. Cells Have 3 Main Jobs Make energy Make proteins Clean up waste
Important for the cell to function
Make proteins
Proteins do all the work in the cell
Clean up waste
Waste is produced while making energy

5. Organelles
There are different structures (organelles) that carry out the three main jobs.
Organelles are like the cell’s organs

6. Organelles Organelle = “little organ”
Everything in the cell is an organelle except for the cytoplasm

7. Cytoplasm Jelly-like substance Maintains the structure of the cell
Contains organelles and other life-supporting materials

8. Cell Membrane Boundary of the cell
Controls movements in and out of the cell

9. Nucleus Control center of the cell
Contains genetic material called DNA
Usually the easiest to see under the microscope
Usually one per cell

10. Job #1: Make Energy

11. Mitochondria Powerhouse of the cell
Cellular respiration occurs here to release energy for the cell to use

13. Job #2: Make Proteins

14. Ribosome Small particles that make proteins
Found free-floating in the cytoplasm or attached to the endoplasmic reticulum

15. Endoplasmic Reticulum (ER)
“Highway” of the cell
Connected to the membrane around the nucleus
Proteins pass through the ER to Golgi body

16. Golgi Body (Golgi Apparatus or Golgi Complex)
Looks like a stack of plates
Stores, modifies and packages proteins
Proteins are transported to and from the Golgi body by vesicles

17. Vesicles Vesicles function like a mail system
Carry proteins, nutrients, and water in and out of and around the cell

18. Job #3: Eliminate Waste

19. Vacuoles Storage container for food, water and waste
Larger in plant cells

20. Lysosomes Garbage disposal of the cell
Contains digestive enzymes that break down waste

21. Differences Between Plant and Animal Cells

23. Cell Wall Found in plant cells and bacterial cells
Rigid, protective barrier
Located outside the cell membrane

24. Chloroplasts Found only in plant cells
Contains the green pigment chlorophyll
Site of food production during photosynthesis

25. Vacuoles
Bigger in plant cells than in animal cells

26. Quick Review Which organelle is the control center of the cell?
Nucleus
Which organelle controls the movement of particles in and out of the cell?
Cell membrane
Which organelles are not found in animal cells?
Cell wall, chloroplasts
Which organelle helps plant cells make food?
Chloroplasts
Which organelle is responsible for producing energy?
Mitochondria
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