单项选择题

A．The cells are multinucleatedB．A sarcomere is the regi……

Which of the following statements concerning mature skeletal muscle is FALSE

A．The cells are multinucleated
B．A sarcomere is the region between two successive Z disks
C．The nuclei are centrally located
D．Myofidrils display a characteristic crossbanding pattern
E．Actin, myosin, troponin, and tropomyosin are present

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