Thin filaments in skeletal muscle are composed of
A) actin.
B) troponin and tropomysosin.
C) myosin.
D) actin, troponin, and tropomyosin.
E) all of these answers.
Correct Answer:
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Q8: The region between two Z lines is
Q9: Order the following muscle cell components from
Q14: The functional unit of skeletal muscle is
Q15: Muscle fibers develop tension by
A) contraction of
Q17: Sarcomeres are arranged end to end as
A)
Q20: The striated appearance of skeletal muscle is
Q21: Of the step in excitation-contraction below, which
Q22: The sarcolemma
A) is the muscle cell plasma
Q24: The T tubules
A) form the Z lines.
B)
Q37: An action potential rapidly spreads to the
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