The synaptic knob releases acetylcholine into the synaptic cleft,which is received by receptors on the motor end plate.Which structure does this describe?
A)A sarcomere
B)The thick filament
C)The varicosity of a smooth muscle cell
D)The neuromuscular junction of a skeletal muscle
E)A motor unit

Question

Quizplus · Accepted Answer

The description is referring to the neuromuscular junction of a skeletal muscle, where the acetylcholine is released from the synaptic knob and received by receptors on the motor end plate.

The Synaptic Knob Releases Acetylcholine into the Synaptic Cleft,which Is