DNA molecule structure. Dna double helix. Medical science research of chromosome DNA genetic biotechnology in human genome cell. Science laboratory experiments analysis and genetic engineering study.,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容
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The DNA double helix is anti-parallel, which means that the5' endof one strand is paired with the3' endof its complementary strand (and vice versa). As shown in Figure 4, nucleotides are linked to each other by their phosphate groups, which bind the 3' end of one sugar to the 5' ...
James D. Watson (詹姆斯 •D.沃森)《The Double Helix》《双螺旋》解析 目录 James D. Watson (...
Comprehension Checkpoint The double helix structure of DNA was confirmed by a. Linus Pauling's models of DNA molecules. b. Rosalind Franklin's X-ray diffraction images of DNA. Chargaff's Law This was a vital piece of advice for Watson and Crick, leading them to take their model apart...
Helix 大蜗牛 nickase(DNA) 【化】 切口酶 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...
helical structure of DNAscientific discoveryThe development of X-ray diffraction photography was central to the discovery of the helical structure of DNA in 1953. Unfortunately the story of how this technique was developed receded into the background as subsequent attention focused on the moment of ...
its structure was revealed using X-rays. And DNA turns out to be a stunningly elegant molecule. What you’re looking at is the original DNA model currently on display in the Science Museum in London. It shows two long chains of mol...
In 1944, DNA was first-time identified as genetic information carrier (Fig.1).33About 10 years later in 1953, Watson and Francis Crick resolved the double helix structure of DNA,34which laid a foundation for molecular biology as well as DDR mechanistic studies. From 1940s to 1960s, one ty...
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...