百度试题 结果1 题目The chemical structure of DNA is a double ___ helix.相关知识点: 试题来源: 解析 helix 反馈 收藏
Each molecule of DNA is a double helix formed from two complementary antiparallel strands of nucleotides held together by hydrogen bonds between G-C and A-T base pairs. 每一个DNA分子是一种双螺旋结构由两个互补的反平行的核苷酸链由GC和AT碱基对之间的氢键。 Duplication of the genetic information oc...
DNA双螺旋结构模型(DNA double helix)1953年,沃森和克里克发现了DNA双螺旋的结构,开启了分子生物学时代,使遗传的研究深入到分子层次,“生命之谜”被打开,人们清楚地了解遗传信息的构成和传递的途径。在以后的近50年里,分 - 神奇的符号于20240228发布在抖音,已经收
Various experiments in which circular DNA is unwound by known amounts show that (given this assumption) for relaxed DNA is very roughly equal to (where is the number of base-pairs), as expected from the classical double helix.The original model for the double helix was right-handed. The ...
DNA double helix [ˌdienˈeɪˌdiːenˈeɪ ˈdʌbl ˈhi:liks] 释义 [医]DNA双螺旋 实用场景例句 全部 DNA double helixin solution become more loose in the presence of non - planar structure 1,4 - DHP derivatives.
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. ...
Our narrative begins in the early 1950s when doctors watson and crick make an epic discovery concerning the rna / dna double hepx ( see figure 7 ) 我们的叙述开始于1950年早期，那时沃森和克里克医生制造了一项关于rna / dna双螺旋体伟大的发现（看第七幅图） 。
每个细胞的遗传基因双螺旋(DNA double helix) 中间,有一条群组水分子 (water clusters) 的水柱。相关网页: 瓶装水成为最新的 … www.live-in-green.com|基于4个网页 3. 双螺旋结构 DNA双螺旋结构(DNA double helix)的研究背景和结构模型要点,结构的多样性 2. DNA 超螺旋结构(superhelix of DNA) 3. ...
《双螺旋 : 发现DNA结构的故事 | The double helix2版》是1987年科学出版社出版 的图书，作者是J.D.沃森。图书简介 本书是作者亲身经历的重大事件印象记，记叙了怎样发现DNA双螺旋结构的过程。书中不仅有科学知识，亦有科学工作方法。全书文笔流畅，情节动人。本书可供有中等文化程度的广大读者，生物学、...