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16 Dec 2011
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Myosin and actin filaments two main parts of the banding parten of the sarcomere. Attachment on the z disk and makes an association with the actin filament. Green line in the middle is called m line. One end of a myosin filament to another yosin filament with actin inside the range and the z disk right in the middle of it. One binds one actin, and the other a-actin binds to another actin and they are binded together. Cap z: caps the actin to stop it from getting longer, stopping it at that region within the z-disk. M-protein provides a structural link from one myosin to another myosin, keeping them the right distance apart. Addition of shortened sarcomere (each sarcomere contraction is very little. Contraction :higher degree of overlap between thin and thick filaments. Z disk distance shorter when contracted (the blue lines) Titin plays an important role in the structure.

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