英文字典中文字典Word104.com



中文字典辭典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z   


安裝中文字典英文字典辭典工具!

安裝中文字典英文字典辭典工具!








  • DNA - Wikipedia
    DNA and ribonucleic acid (RNA) are nucleic acids Alongside proteins, lipids and complex carbohydrates (polysaccharides), nucleic acids are one of the four major types of macromolecules that are essential for all known forms of life
  • DNA | Definition, Discovery, Function, Bases, Facts, Structure . . .
    DNA is an organic chemical of complex molecular structure found in all prokaryotic and eukaryotic cells It codes genetic information for the transmission of inherited traits
  • What is DNA? Definition, Function Structure - Cleveland Clinic
    DNA (deoxyribonucleic acid) is a set of instructions for creating the proteins that make your body work Two strands of DNA together form a double helix — a bit like a spiral staircase
  • What Is Genetics? Genes, DNA, and Inherited Traits
    Learn how DNA, genes, and chromosomes work together to shape who you are, from inherited traits to how your environment influences gene expression
  • DNA | MIT News | Massachusetts Institute of Technology
    A better DNA material for genetic medicine With its circular single-stranded DNA molecules, MIT spinout Kano Therapeutics plans to make gene and cell therapies safer and more effective
  • DNA Interactive: Discovering the DNA Structure and beyond
    DNA Interactive is an educational web site resource that celebrates the 50th anniversary of the discovery of the DNA double helix structure
  • DNA Definition Meaning - Merriam-Webster
    : any of various nucleic acids that are usually the molecular basis of heredity, are constructed of a double helix held together by hydrogen bonds between purine and pyrimidine bases (see base entry 1 sense 6b) which project inward from two chains containing alternate links of deoxyribose and phosphate, and that in eukaryotes are localized chiefly in cell nuclei compare recombinant dna
  • DNA Definition Meaning | Dictionary. com
    DNA definition: deoxyribonucleic acid: an extremely long macromolecule that is the main component of chromosomes and is the material that transfers genetic characteristics in all life forms, constructed of two nucleotide strands coiled around each other in a ladderlike arrangement with the sidepieces composed of alternating phosphate and deoxyribose units and the rungs composed of the purine


















中文字典-英文字典  2005-2009

|中文姓名英譯,姓名翻譯 |简体中文英文字典