Why Do Single Channel Measurements of Acetylcholine Receptor Currents Show

question 32

Multiple Choice

Why do single channel measurements of acetylcholine receptor currents show that all channel openings reach the same amplitude?

• A) When the acetylcholine receptor channel is in the open state, the pore conducts the same amount of current due to the permeation properties of that channel.
• B) Acetylcholine receptor channels have the same mean open time.
• C) Acetylcholine receptors bind two molecules of acetylcholine.
• D) Acetylcholine receptor channels have the same probability of opening.
• E) Acetylcholine receptor channels have the same desensitization rate.

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Definitions:

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A decade characterized by the Great Depression, which had a profound impact on the world economy, social conditions, and the political landscape.

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