問題詳情

46.tWhich of the following statements concerning striated muscle is correct?
(A)tStriation in the muscle fiber is formed by regularly aligned microtubules and thin filaments.
(B)t Contraction of striated muscle is independent of calcium ions.
(C)tMyosin heads use energy stored in ATP to propel microtubules.
(D)tCalcium binding to troponin complex shifts the position of tropomyosin on the thin filaments.

參考答案

答案:D

統計:A:0,B:0,C:0,D:1,E:0

難度:計算中