The Neuromuscular Junction Is Incorrectly Described in Which of the Following

The neuromuscular junction is incorrectly described in which of the following statements?

A) Neurotransmitters are stored in vesicles in the axon terminal.
B) Acetylcholine binding allows sodium ions to enter the muscle cell.
C) Acetylcholine binds receptors in the synaptic cleft.
D) The sarcolemma is the plasma membrane of a muscle cell.
E) T tubules carry action potentials into the muscle cell.