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tulao68 tulao68
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7 years ago
How does the potassium channel maintain selectivity for potassium versus sodium ions?
A)   The ion size is the determining factor.
B)   The size of the ion and associated waters relative to the pore size is the determining factor in channel selectivity.
C)   Dehydration of the potassium ion is compensated energetically by interactions with oxygen atoms in the selectivity filter, which is not possible with sodium ions.
D)   All of the above.
E)   None of the above.
Textbook 
Biochemistry

Biochemistry


Edition: 6th
Authors:
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iFISHiFISH
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tulao68 Author
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6 years ago
Answered confirmed Slight Smile

TY!
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