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guanine    音标拼音: [gw'ɑn,in]
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  • Guanine - Wikipedia
    Guanine ( ˈ ɡ w ɑː n iː n ⓘ) (symbol G or Gua) is one of the four main nucleotide bases found in the nucleic acids DNA and RNA, the others being adenine, cytosine, and thymine (uracil in RNA)
  • Guanine | Base Pairing, Nucleobase, DNA | Britannica
    Guanine, an organic compound belonging to the purine group, a class of compounds with a characteristic two-ringed structure, composed of carbon and nitrogen atoms, and occurring free or combined in such diverse natural sources as guano (the accumulated excrement and dead bodies of birds, bats, and
  • Guanine | C5H5N5O | CID 135398634 - PubChem
    Guanine | C5H5N5O | CID 135398634 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety hazards toxicity information, supplier lists, and more
  • Guanine Definition and Examples - Biology Online Dictionary
    Guanine is a purine nucleobase with a chemical formula of C 5 H 5 N 5 O Purines are heterocyclic aromatic organic compounds As a purine, adenine is comprised of two carbon rings: a pyrimidine ring and an imidazole ring Guanine occurs in both DNA and RNA It complementary base pairs with cytosine in DNA and RNA via three hydrogen bonds
  • Guanine (G) - Essential Nucleobase in DNA and RNA Functions
    Guanine is a crucial nucleobase in DNA and RNA, forming stable base pairs with cytosine and playing key roles in genetic information storage, gene regulation, and energy metabolism
  • Guanine - National Human Genome Research Institute
    Guanine (G) is one of the four nucleotide bases in DNA, with the other three being adenine (A), cytosine (C) and thymine (T) Within a double-stranded DNA molecule, guanine bases on one strand pair with cytosine bases on the opposite strand
  • Guanine - Encyclopedia. com
    guanine (gwä´nēn), organic base of the purine [1] family It was reported (1846) to be in the guano [2] of birds; later (1879–84) it was established as one of the major constituents of nucleic acids [3]
  • Guanine - New World Encyclopedia
    Guanine, a two-ring molecular structure, is one of the five defining components or nucleobases found in the nucleic acids DNA and RNA; the others being adenine, cytosine, thymine, and uracil Guanine and adenine are derived from the two-ring parent molecule purine , and cytosine, thymine, and uracil are derived from the one-ring parent molecule
  • Guanine - (Biological Chemistry I) - Vocab, Definition . . .
    Guanine is a nitrogenous base that is one of the four primary components of nucleotides, which are the building blocks of DNA and RNA It plays a critical role in encoding genetic information and pairs specifically with cytosine during the formation of nucleic acid structures, establishing the fundamental base pairing that is essential for DNA
  • Guanine | definition of guanine by . . . - Medical Dictionary
    guanine (G) one of four types of nitrogenous bases found in DNA, having the double-ring structure of a class known as PURINES Guanine forms part of a DNA unit called a NUCLEOTIDE and always forms complementary pairs with a DNA pyrimidine base called CYTOSINE Guanine also occurs in RNA molecules





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