42.Which of the following statement about the structure of sarcomeres in relaxed and contracted muscles is false?
(A) The I bands form the borders of each sarcomere.
(B) The A bands represent thick filaments.
(C) The thin filaments are within the I bands and extend into the A bands.
(D) In the contracted muscle, the I bands and H bands become shorter.
(E) In the contracted muscle, the Z lines have moved closer together.
答案:登入後查看
統計: A(32), B(6), C(4), D(10), E(3) #3081160
統計: A(32), B(6), C(4), D(10), E(3) #3081160