Multiple Choice
Figure 40-5
Use the figure to answer the corresponding question(s) . 
-What event most directly precedes the activity illustrated in Figure 40-5?
A) depolarization
B) an action potential
C) acetylcholine release from a motor neuron
D) release of calcium from the sarcoplasmic reticulum
E) release of ADP from the myosin head
Correct Answer:

Verified
Correct Answer:
Verified
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