As the electrical signal travels through the T tubules,it causes the
A)release of calcium from the sarcoplasmic reticulum.
B)release of the neurotransmitter ACh from the axon terminal in the neuromuscular junction.
C)inactivation of the ACh within the neuromuscular junction.
D)myosin heads to detach from the actin.

Question

Quizplus · Accepted Answer

As the electrical signal travels through the T tubules, it triggers the opening of voltage-gated calcium channels on the sarcoplasmic reticulum. This results in the release of calcium ions into the cytoplasm, which initiates the process of muscle contraction.

As the Electrical Signal Travels Through the T Tubules,it Causes