Which one of the following statements is not correct?

  • 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.

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Similar Questions

Which of the following amino acids is $NOT$ synthesized in our body?

The number of essential and non-essential amino acids from the following list respectively is:
Val,Gly,Leu,Lys,Pro,Ser

The structure of a peptide is given below. If the absolute values of the net charge of the peptide at $pH = 2$,$pH = 6$,and $pH = 11$ are $|z_1|$,$|z_2|$,and $|z_3|$,respectively,then what is $|z_1| + |z_2| + |z_3|$?

The total number of isomeric linear dipeptides which can be synthesised from racemic alanine is

Which of the following is not an amino acid?

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