题目
题目
单项选择题

What is the definition of a teratogen?

选项
A.a. The method by which an agent can cause harm to a developing embryo.
B.b. The study of factors that can cause congenital malformations to occur.
C.c. A substance or physical agent that can act on the developing embryo, causing a congenital anomaly.
D.d. A type of congenital anomaly that was caused by an environmental agent.
查看解析

查看解析

标准答案
Please login to view
思路分析
Question: What is the definition of a teratogen? Option a: 'The method by which an agent can cause harm to a developing embryo.' This describes a mechanism or route of harm, not the specific definition of a teratogen itself. It’s focusing on how harm could occur rather than what a......Login to view full explanation

登录即可查看完整答案

我们收录了全球超50000道考试原题与详细解析,现在登录,立即获得答案。

更多留学生实用工具

加入我们,立即解锁 海量真题独家解析,让复习快人一步!