What is the regulatory protein component of the thin filament that binds to calcium, thereby initiating skeletal muscle contraction?
A) actin
B) troponin
C) titin
D) myosin
E) tropomyosin
Correct Answer:
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Q1: What structure, composed of connective tissue, transmits
Q2: The release of an inorganic phosphate from
Q3: During skeletal muscle contraction, as the muscle
Q5: Which of the following is NOT a
Q6: The repeated, oscillating interaction between actin and
Q7: The fundamental repeating unit of the myofibril,
Q8: During skeletal muscle contraction, multiple crossbridge cycles
Q9: Increases in the amount of cytoplasmic calcium
Q10: A skeletal muscle is composed of a
Q11: What is the region of the striated
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