请输入您要查询的英文单词:

 

单词 prokaryon
释义 prokaryon Biol.|prəʊˈkærɪən|
Pl. prokarya.
[f. Gr. προ- pro-2 + κάρυον nut, kernel; cf. prokaryote.]
The structure in a prokaryote which contains the genetic material; the prokaryotic ‘nucleus’.
1957E. C. Dougherty in Jrnl. Protozool. IV. Suppl. 14/1 For the moneran nucleus I propose prokaryon.., and for that of higher organisms, eukaryon... From these derive..the nouns prokaryosis and eukaryosis and their corresponding adjectives, prokaryotic and eukaryotic.., denoting, respectively, ‘the condition of possessing prokarya or eukarya’.1969Brown & Bertke Textbk. Cytol. vi. 96/1 The more or less central region of indeterminate shape and no bounding membrane is sometimes called the nucleus but more properly the prokaryon.
随便看

 

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。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/11/5 20:44:36