Which of the Following Characteristics Are Similar for Cys-Loop and Voltage-Activated

question 23

Multiple Choice

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

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