| 单词 | rna world |
| 释义 | > as lemmasRNA world RNA world n. a hypothetical stage in the development of life on earth based on the replicative and information-storing properties of RNA, predating that based on DNA and proteins. ΚΠ 1986 W. Gilbert in Nature 20 Feb. 618/1 One can contemplate an RNA world, containing only RNA molecules that serve to catalyse the synthesis of themselves. 1995 Discover Dec. 38/1 The picture of the primordial soup as an ‘RNA world’ has now become conventional wisdom. 2005 C. de Duve Singularities xv. 196 This ancestral cell is taken to have separated from prokaryotic lines in the RNA world. < as lemmas |
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