第十章单元测试
- Which of the following categories of mutations is not possible to pass to offspring? (以下突变类别不可能传递给子代的是) （ ）
- A tautomeric shift may result in (互变异构移位可能会导致) （ ）.
- Which of the following can result in frameshift mutations (以下哪一个会导致移码突变)? （ ）
- Which of the following DNA repair mechanisms is most often used by bacteria to repair thymine dimers (以下哪种DNA修复机制最常被细菌用来修复胸腺嘧啶二聚体)? （ ）
Mutagens(诱变剂) are natural or artificial agents (药剂) that induce mutations.
A:Somatic (体细胞的) B:X-linked (X连锁的) C:Induced (诱发的) D:Silent (沉默的)
答案:Somatic (体细胞的)
A:transition mutation (转换突变) B:frameshift mutation (移码突变) C:induced mutation (诱发突变) D:transversion mutation (颠换突变)
A:Base analog (碱基类似物) B:Acridine dye (吖啶染料) C:Alkylating agent (烷化剂) D:Tautomeric shift (互变异构移位)
A:Photoreactivation repair (光复活修复) B:Post-replication repair (复制后修复) C:Mismatch repair (错配修复) D:SOS repair(SOS修复)
A:错 B:对
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