n action potential for a muscle cell is propagated along the __________.Multiple Choicesarcomeresarcolemmatropomyosinsarcoplasm

An action potential enters a muscle cell at the ____________.Multiple Choiceactin myofilamentsnucleusT tubulesarcomere

The action potential moves from the sarcolemma surface deep into the myofiber via the Blank______.Multiple choice question.sarcoplasmmyosin filamentssarcoplasmic reticulumT tubules

The action potential is conducted into a skeletal muscle fiber byQuestion 7Select one:a.transverse tubules.b.neuromuscular junctions.c.motor end platesd.triads.e.sarcoplasmic reticulum.

Deep inward extensions of the sarcolemma form a tunnel-like network inside the muscle cell known as ___________.Group of answer choicestransverse tubulessarcoplasmic reticulummyofilamentsmyofibrils

In order for the excitation-contraction coupling to occur, the production of an action potential must occur within the Blank______ of a muscle fiber.Multiple choice question.sarcolemmajunctioncontraction