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uracil    
二氧嘧啶; 尿嘧啶



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  • Uracil - Wikipedia
    Uracil is rarely found in DNA, and this may have been an evolutionary change to increase genetic stability This is because cytosine can deaminate spontaneously to produce uracil through hydrolytic deamination
  • Uracil | C4H4N2O2 | CID 1174 - PubChem
    Uracil is a common and naturally occurring pyrimidine nucleobase in which the pyrimidine ring is substituted with two oxo groups at positions 2 and 4 Found in RNA, it base pairs with adenine and replaces thymine during DNA transcription
  • Uracil | Nucleobase, Nucleoside DNA | Britannica
    uracil, a colourless, crystalline organic compound of the pyrimidine family that occurs as a component of ribonucleic acid (RNA), a molecule involved in the transmission of hereditary characteristics
  • 50 Facts About Uracil
    Uracil is one of the four nucleobases in RNA, replacing thymine found in DNA This small but mighty molecule plays a crucial role in the coding, decoding, and expression of genes Found in RNA, uracil pairs with adenine, helping to form the backbone of genetic instructions
  • Uracil - National Human Genome Research Institute
    Uracil (U) is one of the four nucleotide bases in RNA, with the other three being adenine (A), cytosine (C) and guanine (G) In RNA, uracil pairs with adenine In a DNA molecule, the nucleotide thymine (T) is used in place of uracil
  • Uracil - Simple English Wikipedia, the free encyclopedia
    Uracil is a base found in RNA It pairs with adenine and replaces thymine in DNA Uracil, a pyrimidine, was originally discovered in 1900
  • Uracil - NIST Chemistry WebBook
    NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access The purpose of the fee is to recover costs associated with the development of data collections included in such sites Your institution may already be a subscriber
  • Uracil - New World Encyclopedia
    Uracil is a planar, unsaturated compound that has the ability to absorb light (Horton 2002) Found in RNA, it base pairs with adenine through hydrogen bonding and is replaced by thymine in DNA
  • Uracil - NIST Chemistry WebBook
    NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access The purpose of the fee is to recover costs associated with the development of data collections included in such sites Your institution may already be a subscriber





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