lec18-10 - 6. actin and myosin is in a lattice/criss-cross...

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KIN 205: Chapter 12, Smooth Muscle: Smooth muscle: 1. much smaller than skeletal muscle 2. not composed of different muscle fiber types like skeletal muscle 3. actin and myosin filaments are much longer 4. myosin globular heads are located more towards center of filament 5. higher actin/myosin ratio
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Unformatted text preview: 6. actin and myosin is in a lattice/criss-cross arrangement. 7. these are attached to dense bodies in the cytoplasm (not z-lines) and plaques on the cell membrane 8. contracts into ball-like shape. 9. Sliding filaments Figure 12-27...
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