| 单词 | nucleotide |
| 释义 | nucleotide /nooh"klee euh tuyd', nyooh"-/, n. Biochem. any of a group of molecules that, when linked together, form the building blocks of DNA or RNA: composed of a phosphate group, the bases adenine, cytosine, guanine, and thymine, and a pentose sugar, in RNA the thymine base being replaced by uracil. [1905-10; alter. of NUCLEOSIDE] |
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