Which of the following characteristics are similar for Cys-Loop and voltage-activated sodium channels?
A) Relative size and molecular mass of their -subunits
B) Relative size and molecular mass of their β-subunits
C) The total number of membrane-spanning segments per subunit or domain
D) Structure of Cys-Loop receptor subunits and sodium channel domains I-IV
E) Primary structure of M2 helices in Cys-Loop receptors and S4 regions of sodium channels
Correct Answer:
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Q18: Maximal channel current in nAChRs depends on
A)
Q19: With respect to the structure and function
Q20: Which of the following voltage-activated sodium channels
Q21: Why were electric eels used to discover
Q22: The α-subunit of the voltage-activated potassium channel
Q24: Which of the following characteristics are similar
Q25: What senses membrane potential in voltage-activated channels?
A)
Q26: m1 and m2 of KCS channels most
Q27: Opening a voltage-gated channel generally involves which
Q28: Where is the ion selectivity filter located,
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