The Channel "Gate" Is Best Described as a Part of the Channel

Multiple Choice

The channel "gate" is best described as a part of the channel

A) pore that contains a ring of uncharged residues that interact with specific ions.
B) pore that contains a ring of charged residues that interact with specific ions.
C) structure that can change shape to either close or open the access through the channel pore.
D) structure that responds directly to changes in voltage across the plasma membrane.
E) pore that aids in stripping water from hydrated ions before they enter the pore.