In the sliding filament mechanism of muscle contraction, the stimulus for contraction is:
A)acetylcholine
B)myosin and actin
C)troponin and tropomyosin
D)calcium ions

Question

Quizplus · Accepted Answer

Acetylcholine is the neurotransmitter that is released at the neuromuscular junction to initiate muscle contraction by triggering an action potential in the muscle fiber.

In the Sliding Filament Mechanism of Muscle Contraction, the Stimulus