The PH Inside Cells Is Normally near PH 7

Multiple Choice

The pH inside cells is normally near pH 7. At pH 7 which statement is true about the charges ionization state of the α-Carboxyland α-Amino groups of an amino acid?

A) The α-Carboxyl group is 1- and the α-Amino group is 1+.
B) The α-Carboxyl group is 1+ and the α-Amino group is 1-.
C) The α-Carboxyl group is 1- and the α-Amino group is uncharged.
D) Both groups are uncharged not ionized) at pH 7.