89. 依據肌絲滑動理論,骨骼肌收縮時將會發生下列何種情形?
(A)暗帶與肌節皆縮短
(B)暗帶跟亮帶皆縮短
(C)H 區跟亮帶皆縮短
(D)H 區跟暗帶皆縮短

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統計: A(0), B(0), C(2), D(0), E(0) #3868290