Which Statement About Synaptic Transmission Is Not True

Multiple Choice

Which statement about synaptic transmission is not true?

A) The synapses between neurons and skeletal muscle cells use ACh as their neurotransmitter.
B) A single vesicle of neurotransmitter can cause a muscle cell to contract.
C) The release of neurotransmitter at the neuromuscular junction causes the motor end plate to depolarize.
D) In vertebrates, the synapses between motor neurons and muscle fibers are always excitatory.
E) Inhibitory synapses cause the resting potential of the postsynaptic membrane to become more negative.