| 单词 | extrachromosomal |
| 释义 | extrachromosomal, a. Biol.
Brit. |ˌɛkstrəˌkrəʊməˈsəʊml|, U.S. |ˈˌɛkstrəˌkroʊməˈsoʊm(ə)l|
[‹ extra- prefix + chromosomal adj. at chromosome n. Derivatives]
Not associated with a chromosome; existing or occurring independently of chromosomes.
1906T. H. Montgomery Anal. Racial Descent in Animals iii. 89 Sexuality finds its expression and origin in extra-chromosomal differences. 1945H. Burrows Biol. Action Sex Hormones xviii. 352 A familial tendency to the development of mammary cancer in mice is largely dependent on an extrachromosomal factor. 1984L. W. Browder Developmental Biol. (ed. 2) vii. 295 During late pachynema and in diplonema, miniature nucleoli form in association with these rings of extrachromosomal DNA. 2003Internat. Jrnl. Toxicol. 22 135 These genes are frequently associated with large transferable extrachromosomal DNA elements called plasmids.
Derivatives. extrachromosomally adv. outside or independently of a chromosome.
1966Lancet 10 Dec. 1302/1 The determinants..are believed to be situated *extrachromosomally and are transferable to other sensitive bacteria by cell-to-cell contact. 1990Nucleic Acids Res. 18 331/1 The E. coli ada gene protein coding region has been ligated into an extrachromosomally replicating yeast expression vector. |
英语词典包含277258条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。
相关内容11：
相关热词搜索：extrachromosomal英英词典英英释义英语词汇意思用法释义英语
字词 直接人工预算 释义 【经】 direct labor budget 汉译英翻译词典收录405719条汉英翻译词条......
单词 extra- 释义 extra-, prefix|kstr|The L. adv. and prep. extr (see prec.) does not, stri......
单词 extenuable 释义 † extenuable, a. Obs. rare—1.[f. as if ad. L. *extenubilis, f. exte......
字词 直接人工汇总数 释义 【经】 production order direct labor cost summary 汉译英翻译词......
字词 直接人工效率差异 释义 【经】 direct labor efficiency variance 汉译英翻译词典收录40......
字词 直接代入法 释义 【化】 direct substitution 汉译英翻译词典收录405719条汉英翻译词条，......