DNA

英 [ˌdiː en ˈeɪ]

美 [ˌdiː en ˈeɪ]

n.  脱氧核糖核酸(动植物的细胞中带有基因信息的化学物质)

复数：dnas　

计算机

Collins.2 / BNC.2519 / COCA.2829

牛津词典

noun

• 脱氧核糖核酸（动植物的细胞中带有基因信息的化学物质）
  deoxyribonucleic acid (the chemical in the cells of animals and plants that carries genetic information and is a type of nucleic acid )
  1. a DNA test
     DNA 测试

柯林斯词典

• 脱氧核糖核酸
  DNAis an acid in the chromosomes in the centre of the cells of living things. DNA determines the particular structure and functions of every cell and is responsible for characteristics being passed on from parents to their children.DNAis an abbreviation for (缩略=) 'deoxyribonucleic acid'.

双语例句

• But the DNA and cell culture tests currently used are more complicated and expensive.
  但是目前使用的DNA测试和细胞培养手段过于复杂和昂贵。
• Transposable elements, or insertion elements, are DNA sequences which can be inserted into many different sites in chromosomes.
  转位因子或插入因子是能够插入到染色体不同位点的dna序列。
• The relationship of activity and structure, and interacting model between complex and DNA were also discussed.
  并对活性与结构的关系、配合物与DNA的结合方式进行了讨论。
• The researchers demonstrated this using DNA in a test tube.
  研究人员在试管中演示了DNA编辑这一操作过程。
• The inhibin plasmid DNA was extracted and purified by alkaline lysis method and DEAE-fiber column chromatography and its concn.
  采用碱裂解法与DEAE-纤维柱层析法提取与纯化抑制素质粒DNA，用分光光度法测定其浓度和纯度。
• They can even combine the DNA of a plant and an animal.
  他们甚至可以将一种植物和一种动物的dna进行合成。
• DNA is the genetic material inside every cell that carries the blueprints for everything from hair color to the risk of cancer.
  脱氧核糖核酸是存在于每个细胞内的基因物质，它承载从头发颜色到致癌风险等各种遗传型板。
• Using human genomes and DNA migration patterns.
  利用人类基因和dna迁移。
• The discovery has fastened public attention on the possibilities of DNA analysis for resolving mysteries.
  这一发现将公众的注意力集中在用DNA分析技术来解开谜团的可能性上。
• Life on Earth stores genetic information in DNA.
  地球上的生命在DNA中储存了基因信息。