Essential Biochemistry - Chemistry Of Proteins (Section 3 - No. 14)
What is the isoelectric point of an amino acid?
The pH at which the amino acid is neutral
The pH at which the amino acid has a net positive charge
The pH at which the amino acid is most soluble
The pH at which the amino acid has a net negative charge
Explanation
The isoelectric point is the pH where the amino acid carries no net electrical charge.
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