2390573
| Question | Answer |
| Sarcomere | Basic functional units of Myofibrils |
| Z-Discs | Separate the Sarcomeres |
| A-Band | Extends length of thick filaments *includes connections to thin filaments |
| I-Band | Contains remainder of thin filaments *no thick filaments |
| H-Zone | In the center of A-Band *only thick filaments |
| M-Line | Contains proteins that hold thick filaments to center of Sarcomere *in the center of H-Zone |
| Thick Filaments | Contain protein Myosin |
| Thin Filaments | Contain protein Actin |
| Cross-Bridge | Myosin heads bind to Actin |
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