Which of the following statements is false?

Q. Which of the following statements is false?

A.            Amino acids have N-terminus, C-terminus and R-groups

B.            Amino acids are most soluble in water at their isoelectric point

C.            The net charge on an amino acid is a function of the pH of the solution

D.            Proline has an amino R-group

Answer: Amino acids are most soluble in water at their isoelectric point