1. The Cell

2. Cell Theory All living things are composed of cells.
Cells are the basic unit of life.
All cells come from other cells.
Cell Theory

3. Organization of Living Things
Largest
Organism
Organ System
Organ
Tissue
Cell
Organelle
Organization of Living Things
Smallest

4. Organelle
A specialized structure inside a cell that carries out a specific function (each organelle has its own job).

5. Cell Organelles
The following organelles are found in ALL cells (plant and animal).

6. Layer surrounding the cell that controls what gets in and out.
Semipermeable- allows some things to pass through, but not others.
Cell Membrane

7. Cell Membrane Made of proteins and lipids.
Receptors present on the surface for cell to cell communication
Cell Membrane

8. Cytoplasm The gel-like semi-liquid inside of the cell.
All of the organelles we are going to learn about are located inside the cytoplasm.
Cytoplasm