Multiple Choice
Which of these events happens during excitation-contraction coupling
A) The action potential travels down the thin myofilaments.
B) Ca²⁺ is released from the sarcoplasmic reticulum.
C) Ca²⁺ is taken up by the sarcoplasmic reticulum.
D) Calcium blocks the binding sites on the actin molecules.
Correct Answer:
Verified
Correct Answer:
Verified
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