Unformatted text preview: composed of the protein actin. The actin and myosin filaments are arranged parallel to one another, with the myosin filaments' molecular “heads” protruding toward the actin filaments. In skeletal muscle, the overlapping actin and myosin filaments give the muscle fiber a banded, or striated, appearance. Hence the muscle is striated muscle....
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- Fall '07
- sarcomeres. Sarcomeres, single muscle cell.