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
Q23: When Hodgkin and Huxley recorded from a
Q24: Which of the following is true of
Q25: When triethanolamine (TEA) is applied to a
Q26: During the late phase of an action
Q27: What is the source of the gating
Q29: In the rotational model of sodium channel
Q30: Which of the following is thought to
Q31: The time constant for the decay of
Q32: When is a sodium channel most likely
Q33: When is a potassium channel most likely
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents