必应词典为您提供double-helix-structure的释义,un. 双螺旋状结构; 网络释义: 双螺旋结构;
名词解释双螺旋结构(the double helix structure) 相关知识点: 试题来源: 解析 双螺旋结构:通常指美国科学家Watson和英国科学家Crick于1953年提出的DNA结构。DNA由两条反向平行的多聚核苷酸链以右手螺旋方式围绕同一轴心缠绕成为双螺旋结构。其中脱氧核糖和磷酸组成的骨架位于双螺旋的外侧,嘌呤和嘧啶则位于双螺旋的内侧,...
The double - helix structure of DNA was discovered by Watson and Crick. Their discove
Structure n. 结构,构成;建筑物 vt. 设计,组织 structure n. 1.[U,C]结构;构造;组织 2.[C]构造体;建筑物 v. [T] 1.构造;组织;建造 DNA polymerase 【化】 DNA聚合酶 double a. 1.加倍的;两倍的 2.特大的;特强的 3.双人的 4.成双的;重复的 5.俯身的;弯腰的 6.模棱两可的 7.两面派...
During DNA replication, which enzyme is responsible for unwinding the double - helix structure of DNA? A. DNA polymerase B. Helicase C. Ligase D. RNA polymerase 相关知识点: 试题来源: 解析 B。解析:解旋酶负责解开DNA的双螺旋结构。DNA聚合酶主要负责合成新的DNA链。连接酶主要是连接DNA片段。RNA...
3) DNA double helix structure DNA双螺旋结构 1. To philosophical think for between correlativity of the theory of warp of space time offered by Einstein and biological DNA double helix structure . 对爱因斯坦的“弯曲时空”理论与生物体DNA双螺旋结构的相关性进行了哲理性思考控制生命时间程序的生物钟...
Related to Double helix structure:B form DNA double helix n. The coiled structure of double-stranded DNA in which strands linked by hydrogen bonds form a spiral configuration, with the two strands oriented in opposite directions. American Heritage® Dictionary of the English Language, Fifth Editio...
James Watson and Francis Crick are famous for their discovery of the double - helix structure of DNA. How did they achieve this discovery? A. By working independently without any communication. B. By stealing the results from other scientists. C. By collaborating closely and using data from ...
In biology, "double helix" is a term used to describe the structure ofDNA. A DNA double helix consists of two spiral chains of deoxyribonucleic acid. The shape is similar to that of a spiral staircase. DNA is anucleic acidcomposed of nitrogenous bases (adenine, cytosine, guanine, and thymi...
“脱氧核糖核酸(脱氧核糖核酸,简称DNA)是一种遗传物质,负责在所有生物体和大多数病毒中一代又一代地传递性状。DNA是由两股核苷酸组成的,它们缠绕在一起形成双螺旋。DNA结构的发现在近一个多世纪中逐渐出现,代表了科学史上最著名、最迷人的故事之一。” DNA结构细节 每一条DNA链都包含称为核苷酸的亚单位,核苷酸含...