The pH value of a solution in which a polar amino acid does not migrate under the influence of electric field is called:
A
isoelectronic point
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B
isoelectric point
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C
neutralization point
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D
all of the above
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Solution
The correct option is B isoelectric point The pH value of a solution in which a polar amino acid does not migrate under the influence of electric field is called isoelectric point. This means it is the pH at which the amino acid is neutral, i.e., the zwitterion form is dominant.