骨骼肌纤维收缩的结果是()

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骨骼肌纤维收缩的结果是()

A.I带变窄,A带和H带不变

B.I带、A带和H带变窄

C.I带变窄,A带不变,H带变窄或消失

D.I带和A带变窄,H带不变

E.I带不变,A带和H带变窄

参考答案:

答案:C

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