What forms the myofibrils of skeletal muscle cells?
A) Actin and myosin
B) ATP and ADP
C) Troponin and tropomyosin
D) Fascia and tendons
E) Perimysium and endomysium

Name: What forms the myofibrils of skeletal muscle cells? A) Actin and myosin B) ATP and ADP C) Troponin and tropomyosin D) Fascia and tendons E) Perimysium and endomysium
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Quizplus · Accepted Answer

Myofibrils are composed of repeating units called sarcomeres, which are made up of the proteins actin (thin filaments) and myosin (thick filaments).

What Forms the Myofibrils of Skeletal Muscle Cells