5. what is the most likely consequence of a mutation in the acetylcholine binding site of an acetylcholine-gated na channel in the post-synaptic nerve terminal? (note: this mutation prevents the binding of acetylcholine to the channel) a: there is no effect b: the channel will not insert properly into the membrane c: the channel will now transport k d: the channel will stay in an open conformation e: the channel will not open when acetylcholine is present