- 問題詳情:微核(micronucleus,簡稱MCN),是真核生物細胞中的一種異常結構,是染*體畸變在間期細胞中的一種表現形式.一般認為微核是由有絲*後期喪失着絲粒的染*體片段產生的.分析以上資料,回答下列問題:某科研小組欲探究某農*對水稻的毒害作用,用不同濃度的農*處理水稻,然後用水稻的組織...
- 20090
- Attetradstage,dyad,triad,tetradwithmicronucleusandpolyadappeared.Theevaluationsofacutetoxicity,accumulativetoxicityandmicronucleusratesweremadewithSDrats.BACKGROUND&AIM:Studyontheeffectofmarketpublicpara-dichlorobenzenemothballontheinducedmicronucleu...
- 22091
- 1、Mousebonemarrowpolychromaticerythrocytemicronucleustestwasnegative.2、Tousemicronucleustestinpolychromaticerythrocytesofmicebonemarrow.?RESULTS?3、Theresultofmousebonemarrowpolychromaticerythrocytemicronucleustestwasnegative.4、Poissondistributona...
- 24712