What Is the Difference Between Nicotinic and Muscarinic Acetylcholine Receptors

question 1

Multiple Choice

What is the difference between nicotinic and muscarinic acetylcholine receptors?

• A)Nicotinic receptors have guanylate cyclase activity; muscarinic receptors are ion channels.
• B)Nicotinic receptors are ion channels; muscarinic receptors are coupled to G proteins.
• C)Nicotinic receptors are coupled to G-proteins; muscarinic receptors have adenylate cyclase activity.
• D)Nicotinic receptors are coupled to G-proteins; muscarinic receptors are ion channels.
• E)Nicotinic receptors are ion channels; muscarinic receptors have tyrosine-specific protein kinase activity.

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