英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   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       







请输入英文单字，中文词皆可：

安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Nucleotide - Wikipedia
    Nucleotides are organic molecules composed of a nitrogenous base, a pentose sugar and a phosphate They serve as monomeric units of the nucleic acid polymers – deoxyribonucleic acid (DNA) and ribonucleic acid (RNA), both of which are essential biomolecules within all life-forms on Earth
  • Nucleotide | Description, Types, Function, Facts | Britannica
    A nucleotide is any member of a class of organic compounds in which the molecular structure comprises a nitrogen-containing unit (base) linked to a sugar and a phosphate group
  • Nucleotide Definition, Structure, and Function
    What Is a Nucleotide? A nucleotide is an organic molecule that serves as the building block for nucleic acids like DNA (deoxyribonucleic acid) and RNA (ribonucleic acid) These molecules consist of three primary components: a nitrogenous base, a sugar molecule, and one or more phosphate groups
  • Nucleotide - National Human Genome Research Institute
    A nucleotide is the basic building block of nucleic acids (RNA and DNA) A nucleotide consists of a sugar molecule (either ribose in RNA or deoxyribose in DNA) attached to a phosphate group and a nitrogen-containing base
  • Nucleotide: Structure, Types, and Biological Functions
    A nucleotide is a pentose sugar linked to a nitrogenous base and a phosphate molecule Nucleotides are the building blocks of DNA Figure: Nucleotide The nitrogenous bases are derived from two-parent compounds – purines and pyrimidines
  • 19. 1: Nucleotides - Chemistry LibreTexts
    The repeating, or monomer, units that are linked together to form nucleic acids are known as nucleotides The deoxyribonucleic acid (DNA) of a typical mammalian cell contains about 3 × 10 9 nucleotides
  • What are Nucleotides? - Creative Proteomics
    Nucleotides are organic molecules that serve as the building blocks of nucleic acids, such as DNA (deoxyribonucleic acid) and RNA (ribonucleic acid) They are composed of three primary components: a nitrogenous base, a five-carbon sugar, and one or more phosphate groups
  • Nucleotide - an overview | ScienceDirect Topics
    Nucleotides in cells are the building blocks of RNA and DNA Free nucleotides are involved in all major aspects of metabolism, and the importance of this is reflected in the careful regulation of their intracellular levels





中文字典-英文字典  2005-2009