Figure 7-1 Structural Components of a Skeletal Muscle Fiber
Use Figure 7-1 to identify the labeled part.
-Acetylcholinesterase is found within the
A) nucleus.
B) sarcolemma.
C) myofibril.
D) sarcomere.
E) synaptic cleft.

Question

Figure 7-1 Structural Components of a Skeletal Muscle Fiber
Use Figure 7-1 to identify the labeled part.
-Acetylcholinesterase is found within the
A) nucleus. 
B) sarcolemma. 
C) myofibril. 
D) sarcomere. 
E) synaptic cleft.

Quizplus · Accepted Answer

Acetylcholinesterase is an enzyme that breaks down the neurotransmitter acetylcholine in the synaptic cleft, the space between neurons and muscle cells, ensuring that the muscle cell does not remain in a constant state of contraction.