| 释义 |
phos·pho·di·es·ter bond AHD[fŏs'fō-dī-ĕsʹtər] D.J.[ˌfɒsfəʊdaɪˈestə]K.K.[ˌfɑsfodaɪˈɛstɚ]n.（名词）- The covalent chemical bond that holds together the polynucleotide chains of RNA and DNA by joining a carbon in the pentose sugar of one nucleotide to a carbon in the pentose sugar of the adjacent nucleotide.磷酸二酯键：将核苷酸戊糖中的碳与相邻核苷酸戊糖中的碳连接，使核糖核酸和脱氧核糖核酸的多聚核苷酸链接合在一起的共价化合键
- phospho- phospho-
- di- 1di- 1
- esterester
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