Which of the following is (are) true of the nicotinic acetylcholine receptor? - PhysiologyWeb

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Physiology Test Question

Which of the following is (are) true of the nicotinic acetylcholine receptor?

	(A) The nicotinic acetylcholine receptor is a ligand-gated ion channel.
	(B) The nicotinic acetylcholine receptor is a pentameric complex.
	(C) One acetylcholine molecule must bind to each of the two α subunits in the receptor complex in order to gate the channel open.
	(D) Once gated open, the channel pore is equally permeable to Na⁺ and K⁺
	(E) This type of receptor is also commonly referred to as a receptor channel.

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Posted: Monday, September 1, 2014