按优先次序排列正确的是A.-COOH>-CH2OH>-CHO>-CN B.-OH>-COOH>-CH2OH>-CHOC.
按优先次序排列正确的是
A.-COOH>-CH2OH>-CHO>-CN B.-OH>-COOH>-CH2OH>-CHO
C.-CN>-CHO>-CH2OH>-CH3 D.-OH>-COOH>-CHO>-CH2OH
等电点分别为10.76和5.97的两种氨基酸,在 pH=7.0 的缓冲溶液中进行电泳,结果是:
A.前者泳向正极,后者泳向负极 B.前者泳向负极,后者泳向正极
C.两者同时泳向正极 D.两者同时泳向负极