ULTRASTRUCTURE OF THE NUCLEOLUS AND REPLICATION SITES OF RIBOSOMAL DNA IN Allium cepa

来源 :中国科学：化学英文版 | 被引量 : 0次 | 上传用户：grant121

【摘要】

：

Our conventional EM observations indicate that the nucleolus of Allium cepa is composedof the fibrillar centre (FC), fibrillar component (F) and granular region

【作者】

：

郝水焦明大邢苗

【机构】

：

DepartmentofBiology,NortheastNormalUniversity,NortheastNormalUniversityChangchun130024,PRC,Changchun

【出处】

：

中国科学：化学英文版

【发表日期】

：

1991年3期

【关键词】

：

NUCLEOLUS REPLICATION SITES rDNA ALLIUM CEPA nucleolusreplication sitesrDNAAlliu

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Our conventional EM observations indicate that the nucleolus of Allium cepa is composedof the fibrillar centre (FC), fibrillar component (F) and granular region (G). FC is an elec-tron-lucid zone which contains condensed or loosened chromatin. F is a circ

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ULTRASTRUCTURE OF THE NUCLEOLUS AND REPLICATION SITES OF RIBOSOMAL DNA IN Allium cepa

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