Skeletal muscle has parallel protein filaments {myofibril} lined up along elongated muscle-cell axis. Dark A bands have overlapping actin and myosin. Light I bands have actin, tropomysin, and troponin.
Physical Sciences>Chemistry>Biochemistry>Protein>Muscle Contraction
5-Chemistry-Biochemistry-Protein-Muscle Contraction
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Date Modified: 2022.0224