The nerve impulse which leads to initiation of muscle contraction ?: (A) Causes opening of the calcium channels which leads to increase in calcium ion concentration with use of sarcomere, (B) Causes both the plasma membrane and the T tubules to undergo hyperpolarization, (C) Inhibits Sodium entry in sarcomere, (D) Is inhibited by binding of acetylcholine to receptors in the sarcoplasmic reticulum
Answer is A. None