Which of the Following Needs to Occur to Begin the Process

Multiple Choice

Which of the following needs to occur to begin the process of synapse formation?

A) Molecules such as agrin and neurexin bridge the pre- and post-synaptic cells.
B) Post-synaptic neurotransmitter receptors cluster together.
C) Structural proteins form that shape the synapse.
D) All of the above are true.