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What are the thin and thick filaments of a muscle fiber
WebThe myofibrils are made up of thick and thin myofilaments, which help give the muscle its striped appearance. The thick filaments are composed of myosin, and the thin filaments are predominantly actin, along with two other muscle proteins, tropomyosin and troponin. … Weba. _____ is the thin filament (with an active site). b. _____ is the thick filament (with cross bridges). 7. _____ (T-tubule) which is a channel which extends from the fiber membrane. C. _____ is the smallest contractile unit of a myofibril (from Z-Line to Z-Line). 1. dog vitamins uk
What is the function of thin and thick filaments?
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