Multiple Choice
During excitation-contraction coupling,
A) the action potential travels down the transverse tubules.
B) Ca2+ is released from the sarcoplasmic reticulum.
C) Ca2+ is taken up by the sarcoplasmic reticulum.
D) both (a) and (b) above are correct.
E) all of these answers.
Correct Answer:

Verified
Correct Answer:
Verified
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