| 单词 | uracil |
| 释义 | uracil (once / 984943 pages) n WORD FAMILY uracil USAGE EXAMPLESDNA is very similar to RNA, except that uracil is replaced with thymine. Science Magazine(May 12, 2016) Success came when they added to their cell-free system an RNA molecule composed only of uracil, one of the four chemical units in RNA. New York Times(Jan 21, 2010) n a base containing nitrogen that is found in RNA (but not in DNA) and derived from pyrimidine; pairs with adenine Syn|Hyper U base, nucleotide a phosphoric ester of a nucleoside; the basic structural unit of nucleic acids (DNA or RNA) |
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