Which of the Following Principles Characterize Gated Ion Channels in the Neuronal

question 47

Multiple Choice

Which of the following principles characterize gated ion channels in the neuronal membrane? Select all that apply.
I.Channels are always open.
II.Channels are always closed.
III.Channels open and close depending on stimuli.
IV.Channels are specific to which ions can traverse them.
V.Channels are nonspecific to which ions can traverse them.

• A)I and V only
• B)II and IV only
• C)III and IV only
• D)II and V only
• E)III and V only

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