Arrange these structures as they participate in excitation-contraction.
A) T tubules, sarcolemma, Ca2+, sarcoplasmic reticulum
B) Ca2+, T tubules, sarcolemma, sarcoplasmic reticulum
C) Sarcolemma, T tubules, sarcoplasmic reticulum, Ca2+
D) Sarcoplasmic reticulum, Ca2+, T tubules, sarcolemma
E) Sarcolemma, sarcoplasmic reticulum, Ca2+, T tubules
Correct Answer:
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