Which of the following represents the sequence that muscle action potentials must go through to excite a muscle cell?
A) sarcolemma, axon of neuron, T tubules
B) T tubules, sarcolemma, myofilament
C) muscle fiber, axon of neuron, myofibrils
D) axon of neuron, sarcolemma, T tubules
E) myofibrils, myofilaments, mitochondria

Question

Quizplus · Accepted Answer

The correct sequence is: the action potential travels down the axon of the neuron, reaches the sarcolemma of the muscle cell, and then travels through the T tubules to reach the interior of the muscle fiber.

Which of the Following Represents the Sequence That Muscle Action