第17题: [多项选择]DNA序列测定的应用有 A. 分析基因序列 B. 分析基因组核苷酸排列序列 C. 基因定点诱变的基础 D. 基因工程载体构建中DNA序列定位和排序的基础 参考答案:A,B,C,D 答案解析:DNA序列测定的应用包括:分析基因组核苷酸排列序列,分析基因序列、基因定点诱变的基础、基因工程载体构建中DNA序列定位和排序的基础,以及确定DNA序列中蛋白质的编码区等。
第23题: [单项选择]Other non-dominant males were hyperactive; they were much more active than is normal, chasing others and fighting each other. A. hardly active B. relatively active C. extremely inactive D. pathologically active 参考答案:D 答案解析:hyperactive极度活跃的,亢进的;hardly active几乎不活跃的;relatively active相对活跃的;extremely inactive极度不活跃的;pathologica