Which structure delivers a signal from the motor neuron to all the sarcomeres of a muscle cell?
A) myosin filament
B) filaments-line
C) T tubule
D) sarcoplasmic reticulum

Question

Quizplus · Accepted Answer

T tubules are invaginations of the sarcolemma that penetrate deep into the muscle fiber, allowing for the delivery of signals from the motor neuron to all the sarcomeres of the muscle cell, triggering contraction.

Which Structure Delivers a Signal from the Motor Neuron to All