(B) At the isoelectric point,the net charge on an amino acid is zero,which results in minimum intermolecular electrostatic repulsion and minimum inter

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$\alpha$-amino acids have maximum solubility at their isoelectric point.

(B) At the isoelectric point,the net charge on an amino acid is zero,which results in minimum intermolecular electrostatic repulsion and minimum interaction with water molecules. Consequently,amino acids have the least solubility in water at their isoelectric point. Therefore,the statement that they have maximum solubility at their isoelectric point is incorrect.

Class 12 Chemistry Biomolecules Amino Acids and Proteins

Difficult

Which one of the following statements is not correct?

TS EAMCET 2011 All TS EAMCET

AP EAMCET 2011 All AP EAMCET

A
Except glycine,all other naturally occurring $\alpha$-amino acids are optically active.
B
$\alpha$-amino acids have maximum solubility at their isoelectric point.
C
$A$ tripeptide has two peptide bonds.
D
$\alpha$-amino acids exist as Zwitter ions.