单词 | 遗传信息 |
释义 | 〔RNA〕A polymeric constituent of all living cells and many viruses, consisting of a long, usually single-stranded chain of alternating phosphate and ribose units with the bases adenine, guanine, cytosine, and uracil bonded to the ribose. The structure and base sequence of RNA are determinants of protein synthesis and the transmission of genetic information. Also called ribonucleic acid 核糖核酸:是所有活细胞和许多病毒的一种聚合组成要素,由一条长的、通常是单线的相互交替的磷酸盐和核糖单位组成,核糖上又附着有腺嘌呤,鸟嘌呤,胞核嘧啶及尿喀啶等基本成分。核糖核酸的结构及基本顺序是蛋白质的合成及遗传信息的决定因素 也作 ribonucleic acid〔Gamow〕Russian-born American nuclear physicist known for his work on radioactivity and genetic information as well as his books popularizing theories of physics.伽莫夫,乔治:(1904-1968) 俄国裔的美国核物理学家,因在射线遗传信息方面的研究和有关普及物理理论的书籍而闻名于世〔chromosome〕A threadlike linear strand of DNA and associated proteins in the nucleus of animal and plant cells that carries the genes and functions in the transmission of hereditary information.染色体:动物细胞核和植物细胞中一条线状的DNA链和辅助蛋白 ,携带了传递遗传信息的基因和功能团〔chromosome〕A circular strand of DNA in bacteria and cyanobacteria that contains the hereditary information necessary for cell life.染色体:细菌和含氰细菌中的环形DNA链,含有细胞生命必需的遗传信息〔pangenesis〕A theory of heredity proposed by Charles Darwin in which gemmules containing hereditary information from every part of the body coalesce in the gonads and are incorporated into the reproductive cells.泛生论:查理斯·达尔文提出的遗传理论,阐述了含有来自身体每部分的遗传信息的胚芽在卵巢中的结合并组成生殖细胞 |
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