Essential Biochemistry - Chemistry Of Proteins (Section 1 - No. 13)
What is the isoelectric point (pI) of an amino acid?
The pH at which the amino acid is fully protonated.
The pH at which the amino acid is neutral.
The pH at which the amino acid has its maximum solubility.
The pH at which the amino acid is zwitterionic (neutral).
Explanation
The pI is the pH at which the amino acid exists as a zwitterion, with no net electrical charge.
Comments (0)
