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jeanettedavis84 jeanettedavis84
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6 years ago
After an action potential is propagated to the axon terminal and calcium channels are opened, which of the following happens next?
 
 a. Sodium moves into the muscle cell.
  b. Potassium moves out of the muscle cell.
  c. Acetylcholine is released from the neuron.
  d. Calcium is released onto the muscle fiber membrane.
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royboy1royboy1
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6 years ago
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