Multiple Choice
During the development of specialized postsynaptic structures at a neuromuscular junction,preexisting AChR proteins on the surface of the uninnervated muscle are induced to aggregate by:
A) agrin,a signal released from the neuron.
B) the muscle membrane protein,MuSK.
C) the cytosolic protein,rapsyn.
D) all of the above
Correct Answer:

Verified
Correct Answer:
Verified
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