問題詳情

64. Myoneural junction plays a role in innervation of muscle fiber. Please arrange in order the followingprocesses of muscle contraction. a) calcium release from sarcoplasmic reticulum, b) acetylcholine releasedinto synaptic cleft, c) sarcolemma depolarization d) myosin IiI swivels to approximate active site of actinmolecule, e) troponin C aids in unmasking active site of active molecule f) moving thin filament towardcenter of sarcomere.
(A) abcdef
(B) bacdef
(C) bcadef
(D) cbaedf
(E) bcaedf

參考答案

答案：E
難度：計算中-1
書單：沒有書單，新增

用户評論

【熊熊讚】評論

肌神經接合(Myoneuraljunction為肌肉收縮的第一關,一開始b)運動神經元釋放乙醯膽鹼,c)肌膜(sarcolemma),即肌細胞膜去極化,然後a)鈣離子由肌漿網釋出,e)肌鈣蛋白C有助於暴露活性位,d)肌球蛋白I旋轉到接近肌動蛋白分子的活性位,最終向肌小節中心移動。