試題詳解

35. The pKa's of arginine's a-Carboxyl group, α-Amino group and side chain are 1.8, 9.0 and 12.5, respectively. Calculate the isoelectric point.
(A) 7.8
(B) 7.2
(C) 10.8
(D) 5.4
(E) 10.0