Use the Following Information When Answering the Corresponding Question(s)

Multiple Choice

Use the following information when answering the corresponding question(s) .
"Marine cone snails from the genus Conus are estimated to consist of up to 700 species.These predatory molluscs have devised an efficient venom apparatus that allows them to successfully capture polychaete worms,other molluscs or in some cases fish as their primary food sources.… conotoxins from Australian species of Conus … have the capacity to inhibit specifically the nicotinic acetylcholine receptors in higher animals." (B.G.Livett,K.R.Gayler,and Z.Khalil.2004.Drugs from the sea: Conopeptides as potential therapeutics.Current Medicinal Chemistry 11:1715-23. )
-Refer to the paragraph on the venom of marine core snails.This particular conotoxin inhibits acetylcholine receptors that are located _____.

A) along the motor neuron axon
B) on motor neuron dendrites
C) on the presynaptic membrane of the neuromuscular junction
D) on the postsynaptic membrane,on the muscle cell