問題詳情
53.tCalcium ion initiates skeletal muscle contraction by:
(A)tbreaking the actin-myosin cross-bridges
(B)ttransmitting action potentials across the neuromuscular junction
(C)tspreading action potentials through the T tubules
(D)tinitiating ATP generation
(E)tbinding to the troponin complex that subsequently displaces tropomyosin from the myosin binding sites
參考答案
答案：E
統計：A:0,B:0,C:1,D:0,E:2
難度：計算中