The axonal membrane is_______ to negatively charged proteins present in the axoplasm:-
A
Selectively permeable
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B
Permeable
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C
Semipermeable
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D
Impermeable
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Solution
The correct option is A Selectively permeable
In the simplest case, illustrated here, if the membrane is selectively permeable to potassium, these positively charged ions can diffuse down the concentration gradient to the outside of the cell, leaving behind uncompensated negative charges.