1. 11/3/14 Objective: What are the components of the cell theory? Do Now: What is a cell?

2. How was the creation of this important in the discovery of cells

3. Cells What is a cell?

4. Sickle Cell Anemia

5. Contributions of Scientists Robert Hooke: In 1665, he observed a thin slice of cork using a light microscope and named the “compartments” cells. Matthius Schleiden: All plants are made of cells Theodore Schwann: All animals are made of cells

6. What are the three components of the Cell Theory? 1. All living organisms are made from cells 2. Cells are the basic unit of structure and function in living things 3. New cells are produced from existing cells

7. The Discovery of Cells Can you see a cell with your naked eye? How were cells discovered? Light Microscope: Uses light to magnify objects up to 1000x

8. Types of Microscopes Scanning Electron Microscope (SEM): used to study the surface structures of cells Transmission Electron Microscope(TEM): used to explore internal structure of cells