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Questions and Answers
What is the smallest functional unit of a muscle fiber?
What is the smallest functional unit of a muscle fiber?
- Sarcomere (correct)
- Transverse Tubule
- Myofibril
- Sarcoplasmic Reticulum
Which protein binds to calcium to unlock the active sites on actin during muscle contraction?
Which protein binds to calcium to unlock the active sites on actin during muscle contraction?
- Titin
- Tropomyosin (correct)
- Tropinin
- Nebulin
What is the elastic protein that helps keep thin and thick filaments aligned?
What is the elastic protein that helps keep thin and thick filaments aligned?
- Titin (correct)
- Tropomyosin
- Troponin
- Nebulin
Which area of the sarcomere contains only thin filaments?
Which area of the sarcomere contains only thin filaments?
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Where does the overlap between thin and thick filaments occur in a sarcomere?
Where does the overlap between thin and thick filaments occur in a sarcomere?
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What is the function of the epimysium?
What is the function of the epimysium?
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What is the primary role of satellite cells in muscle tissue?
What is the primary role of satellite cells in muscle tissue?
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Which structure is responsible for conducting electrical impulses into the muscle fibers?
Which structure is responsible for conducting electrical impulses into the muscle fibers?
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Which of the following is NOT a function of muscle tissue?
Which of the following is NOT a function of muscle tissue?
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What is the function of tendons in muscle tissue?
What is the function of tendons in muscle tissue?
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