問題詳情

59. Which of the following descriptions regarding muscle is correct?
(A) The length of thick filament will change in fully muscle contraction.
(B) A motor unit consists of multiple motor neurons and muscle fibers.
(C) Myoglobin binds oxygen tighter than hemoglobin does.
(D) Ca2+ binds with tropomyosin to initiate muscle contraction.
(E) Insect's skeletal muscles are grossly different from those of vertebrates.

參考答案

答案:C

統計:A:0,B:0,C:5,D:0,E:1

難度:計算中