Multiple Choice
What is thought to be the functional significance of charged amino acids along the S4 helix of the voltage-gated sodium channel?
A) They form the basis for sodium selectivity of the channel.
B) They provide a mechanism for inactivation.
C) They attract the negative charges of nearby channel subunits, forming a functional protein.
D) They form the pore of the channel.
E) They provide the gating mechanism for channel opening.
Correct Answer:
Verified
Correct Answer:
Verified
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