单词 | nucleotide base |
释义 | > as lemmasnucleotide base nucleotide base n. a nitrogenous base (purine or pyrimidine) which is found in nucleotides, esp. one found in DNA or RNA. ΚΠ 1954 F. H. C. Crick & J. D. Watson in Proc. Royal Soc. A. 223 84 This distance..suggests that the nucleotide bases on a given chain are arranged at right angles to the fibre axis and spaced 3·4 Å above each other. 1989 J. L. Casti Paradigms Lost ii. 78 The opposite end of the tRNA strand contains a sequence of three nucleotide bases. 1993 Sci. News 6 Nov. 303/1 The analogy often used..is that the nucleotide bases are the four-letter ‘alphabet’ used to write genes. < as lemmas |
随便看 |
|
英语词典包含1132095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。