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问题 单项选择题 A1型题

人体实验（）

A.只要医学研究需要就可进行

B.只要经过大量、可靠的动物实验后就可进行

C.只要课题组论证充分就可进行

D.研究者应将有关信息向伦理委员会提供以供审查，如果来不及报告，可以补审

E.课题组必须上报完整、严谨的报告，经专家组向上级主管部门按规定程序审批后方可进行

答案

参考答案：E

选择题

核黄素又称为维生素B2，可促进发育和细胞再生，有利于增进视力，减轻眼睛疲劳。核黄素分子的结构为

已知：

有关核黄素的下列说法中，不正确的是[ ]

A．该化合物的分子式为C17H22N4O6

B．酸性条件下加热水解，有CO2生成

C．酸性条件下加热水解，所得溶液加碱后有NH3生成

D．能发生酯化反应

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