题目在PH7.4的缓冲液中,下列哪组氨基酸的带净电荷情况是正/负的顺序A. Lys/GluB. Asp/ArgC. His/LysD. Glu/Asp在PH7.4的缓冲液中,下列哪组氨基酸的带净电荷情况是正/负的顺序A. Lys/GluB. Asp/ArgC. His/LysD. Glu/Asp题目解答答案A. Lys/Glu