The shortening of a skeletal muscle fiber during contraction involves which of the following?
A) the sarcomeres shortening
B) the Z lines not changing their position
C) the A bands shortening
D) the thin filaments shortening
E) the thick filaments shortening
Correct Answer:
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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
Q13: The contractile portion of the thin filament
Q14: Which of the following is a structural
Q15: Contraction of skeletal muscle fibers is stimulated
Q16: Which of the following is the voltage
Q17: In order for crossbridge cycling to occur,
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