Arrange the Following List of Biochemical Events in the Correct

Multiple Choice

Arrange the following list of biochemical events in the correct sequence.
(1) An action potential is conducted deep into the muscle fiber by the T tubule.
(2) Calcium ions bind to troponin.
(3) The membranes of the sarcoplasmic reticulum become more permeable to calcium ions.
(4) Calcium ions diffuse into the sarcoplasm around the myofibril.
(5) The troponin-tropomyosin complex moves exposing active sites.

A) 1, 5, 2, 3, 4
B) 1, 3, 4, 2, 5
C) 1, 2, 3, 4, 5
D) 1, 3, 2, 5, 4
E) 1, 4, 3, 2, 5