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。
• 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。
• 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。
• Life on Earth stores genetic information in DNA.
  地球上的生命在DNA中储存了基因信息。
• The adducts disturb the structure of DNA and inhibit DNA replication.
  加合物的形成扰乱了DNA模板的结构，抑制了DNA复制。
• We need a comprehensive assessment of the recombinant DNA issue, preferably under the auspices of the federal government.
  对于重组体dna问题，我们需要有一个全面的估价，而且最好由联邦政府主办。
• The team found some were vital for DNA packaging, chromosome segregation and fertility.
  研究小组发现了一些对DNA包装，染色体分离和富集至关重要的蛋白。
• In short, DNA makes messenger RNA, and messenger RNA makes proteins.
  简言之，脱氧核糖核酸产生了信使核糖核酸，信使核糖核酸又产生了蛋白质。
• Strands of genetic material DNA and RNA are sequences of small units called nucleotides.
  基因资料DNA和RNA链是称为核苷酸的小单元组成的序列。
• The use of electrical fields to separate charged biomolecules such as DNA, RNA and proteins.
  用电场分离带电荷的生物分子如：DNA、RNA和蛋白质。