释义 |
watson-crick model noun Usage: usually capitalized W&C Etymology: after James D. Watson b1928 American biologist and Francis H.C. Crick b1916 English biologist : a model of DNA structure in which the molecule is a cross-linked double-stranded helix, each strand is composed of alternating links of phosphate and deoxyribose, and the strands are cross-linked by pairs of purine and pyrimidine bases projecting inward from the deoxyribose sugars and joined by hydrogen bonds with adenine paired with thymine and with cytosine paired with guanine — compare double helix herein |