What Is the Correct Order of Structures That a Motor $\rightarrow$

Multiple Choice

What is the correct order of structures that a motor nerve stimulation encounters when triggering a contraction?

A) motor nerve $\rightarrow$ synaptic cleft $\rightarrow$ sarcoplasmic reticulum $\rightarrow$ sarcolemma $\rightarrow$ troponin
B) motor nerve $\rightarrow$ synaptic cleft $\rightarrow$ sarcolemma $\rightarrow$ sarcoplasmic reticulum $\rightarrow$ troponin
C) motor nerve $\rightarrow$ sarcoplasmic reticulum $\rightarrow$ synaptic cleft $\rightarrow$ sarcolemma $\rightarrow$ troponin
D) motor nerve $\rightarrow$ sarcolemma $\rightarrow$ sarcoplasmic reticulum $\rightarrow$ synaptic cleft $\rightarrow$ troponin
E) motor nerve $\rightarrow$ sarcolemma $\rightarrow$ synaptic cleft $\rightarrow$ sarcoplasmic reticulum $\rightarrow$ troponin