The double helix is a description of the molecular shape of a double-stranded DNA molecule.double helixScitable
Explore the double helix structure, such as the width of a DNA strand. See the history of the DNA strand model and who discovered the double helix model of DNA. What is a Double Helix? The termdouble helixrefers to the shape of a double-stranded DNA molecule, a shape that is like a...
The Double Helix 作者:James D. Watson Ph.D. 出版社:Touchstone 副标题:A Personal Account of the Discovery of the Structure of DNA 出版年:2001-6-12 页数:256 定价:USD 15.95 装帧:Paperback ISBN:9780743216302 豆瓣评分 8.4 33人评价 5星
DNA deoxyribonucleic acid: an extremely long, double-stranded nucleic acid molecule arranged as a double helix that is the main constituent of the chromosome and that carries the genes as segments along its strands: found chiefly in the chromatin of cells and in many viruses. ...
If that atom happens to be part of a DNA molecule, the result can be a breakage in one or both of the delicate strands that wind into the famous double helix. Tom Hawking, Popular Science, 24 Oct. 2024 Photograph: Peter Fisher At one point, Bailey sketched an idea around a double hel...
double helix - a pair of parallel helices intertwined about a common axis; "the shape of the DNA molecule is a double helix" helix, spiral - a curve that lies on the surface of a cylinder or cone and cuts the element at a constant angle Based on WordNet 3.0, Farlex clipart collection...
The double-helix model of DNA, as suggested by Watson and Crick , was based on data gathered on DNA by other researchers. The facts fell into the following two general categories; give two examples of each: (1) chemical composition; (2) physical structure. Watson 和Crick在其他研究者成果的...
double-helix英英释义 double-helix n.a pair of parallel helices intertwined about a common axis 同义词:double helix double-helix 例句 1.Double helical structure of DNA and types of DNA helices. 去氧核糖核酸的双螺旋结构与其类别。 2.The two strands of the double helix are linked by pairs of ...
1) Double-helical molecule 双螺旋分子2) double helix 分子结构双螺旋3) duplex [英]['dju:pleks] [美]['duplɛks] 双螺旋DNA分子4) Helicotylenchus dihystera 双子宫螺旋线虫 1. Helicotylenchus dihystera,a kind of nematodes,has a very wide geographical distribu-tion,and is a common ...
Function of DNA (DeoxyriboNucleic Acid) Contains sections called “genes” that code for proteins. These genes are. Structure and Composition DNA Song (Row, Row, Row your Boat) DNA: The Molecule of Heredity. DNA Structure Deoxyribonucleic acid. A macromolecule composed of two strands of monomers...