| 单词 | double helix |
| 释义 | > as lemmasdouble helix double helix n. a pair of parallel helices intertwined about a common axis: the postulated structure of the DNA molecule. ΚΠ 1954 F. Crick & J. Watson in Proc. Royal Soc. A. 223 89 (heading) Detailed configuration of the double helix. 1962 T. Dobzhansky Mankind Evolving ii. 37 If the double helix separates into two single threads each can re-form an exact copy of the original double structure. 1968 J. D. Watson (title) The double helix. 1968 New Scientist 19 Sept. 592/1 The symbol of the molecular biological age is without doubt the ‘double helix’ of DNA. < as lemmas |
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