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当前学科:临床化学综合练习
题目:
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当溶液的pH与某氨基酸的pI一致时,该氨基酸在水溶液中的存在形式是()
A . 兼性离子
B . 非兼性离子
C . 带单价正电荷
D . 疏水分子
E . 带单价负电荷
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