1. Megan M. Eckler Melissa Donegan

2.  The cytoskeleton is located in the cytoplasm.  Spans cytoplasm and interconnects the nucleus in the extracellular matrix.**

3. Supports cell and provides shape Aids movement of material in and out of cell. Supports the plasma membrane Divides the cell in mitosis Anchors organelles

4. Microfilament (of actin)**Microtublules (of tubulin)**Intermediate Filament System**Microfilament (of actin)**Microtublules (of tubulin)**Intermediate Filament System** Microfilament (of actin)** Microtubules (of tubulin)** Intermediate Filament System**

5. Duchenne Muscular Dystrophy  Its caused by a defective gene for dystrophin**

7. 1. 1. What are all of the fibers of the cytoskeleton made of? 2. What is the function of the many actin-binding proteins found in the cell? 3. You have a long assembly of a single globular protein which is several hundred nm long and 7 nm wide. What do you have?