guanine 中文意思是什麼

guanine 解釋
n. 名詞 【化學】鳥嘌呤。

  1. In dna, four different bases are found. two of these, adenine and guanine, are double-ring structures called purines.

    在DNA中，有四種不同的基，其中的兩個為腺嘌呤和鳥嘌呤，即稱為嘌呤的雙環結構。
  2. Researchers at purdue university used synthetic forms of guanine and cytosine

    美國普渡大學的研究人員使用的是合成的鳥嘌呤與胞嘧啶。
  3. There are four types of nucleic acid, adenine, cytosine, guanine, and thymine *

    有四種類型的核酸? ?腺嘌呤、胞核嘧啶、鳥嘌呤、胸腺嘧啶。
  4. The most abundant bases are cytosine, thiamine, and uracil ( pyrimidines ) and adenine and guanine ( purines )

    最豐富的堿基是胞嘧啶，胸腺嘧啶，尿嘧啶，腺嘌呤和鳥嘌呤。
  5. An adenine on one chain is always matched with a thymine * on the other chain, and a guanine with a cytosine

    在一個鏈上一個腺嘌呤分子總是與另一個鏈上的一個胸腺嘧啶相匹配，而一個鳥嘌呤總是與一個胞核嘧啶分子相匹配。
  6. Normal dna consists of four bases - adenine, cytosine, guanine and thymine ( known as a, c, g, t ) - molecules that spell out the genetic code in pairs

    正常dna由四種堿基組成腺嘌呤、胞嘧啶、鳥嘌呤、胸腺嘧啶，這些分子以成對的方式組成基因的密碼。
  7. The base ratio of 1 : 1 for the bases adenine and thymine and the bases cytosine and guanine was the first clue to the specificity of base pairing in the nucleic acids

    在核酸中的堿基配對高度專一性的原則決定了腺嘌呤與胸腺嘧啶，或鳥嘌呤與胞嘧啶之間的比值為1 ： 1 。
  8. Dna sequence analysis indicated that tn5gusa5 is prone to insert into low gc content regions ; guanine is a preferential base at the first place and cytosine at the last site of target sequence

    在質粒上tn5gusa5也傾向于插入低gc含量區；堿基g和c分別在靶序列的首位和末尾出現的幾率高。
  9. Some tendency of tn5gusa5 transposition were found that all preferred sites of tn5gusa5 in xcc 8004 genomic dna are in at - rich regions ; target sequences of tn5gusa5 have some features that the probabilities of guanine and cytosine are high respectively at the head and tail base of target sequence ; the level of gene transcription does not influence insertion density of tn5gusa5 significantly

    結果表明， tn5gusa5插入位點有一定的規律性： tn5gusa5在xcc8004基因組上傾向于插入低gc含量（ 50左右的區域插入密度最高）區段；插入位點的靶序列有一定的特異性，在靶序列的首位鳥嘌呤出現的幾率高，而在靶序列的末位胞嘧啶出現幾率高； tn5gusa5的插入密度與該區段基因的轉錄水平無明顯關系。
  10. Performance of the chinese hamster ovary cell hypoxanthine guanine phosphoribosyl transferase gene mutation assay

    中國倉鼠卵巢細胞次黃質鳥嘌呤轉磷酸核糖基酶基因變異鑒定的操作
  11. In dna, four different bases are found. two of these, adenine and guanine, are double - ring structures called purines

    在dna中，有四種不同的基，其中的兩個為腺嘌呤和鳥嘌呤，即稱為嘌呤的雙環結構。
  12. Effect of nitric oxide precursor - l - arginine - related peptide on rat platelet aggregation, thrombsis and the plasma levels of nitric oxide, cyclic guanine monophosphate and prostacyclin

    血漿環鳥苷酸對血液透析患者干體重的評估價值
  13. Members of the purine group include adenine and guanine, which are constituents of the nucleic acids, and certain plant alkaloids, e. g. caffeine and theobromine

    嘌呤基的成員包括腺嘌呤和鳥嘌呤，它們是核酸以及某些植物生物堿的成分，如咖啡因和可可堿。
  14. 2 - e4 and s2 is induced respectively by 8 - ag and 5 - brdu with different drug concentration to make them deficient in hypoxanthine - guanine phosphoribosyl transferase ( hgprt ) and in thymidine kinase ( tk ) respectively and renamed 2 - e4 - a and 82 - 6. their antibodies " isotypes are tested by goad anti - mouse isotype regent

    取馴化好並處于對數生長期的2 - e _ 4 - a和s _ 2 - b細胞，再常規融合和篩選，三次克隆化后得穩定分泌雙特異性抗體的雜交-雜交瘤細胞株6株。
  15. Monofunctional alkylating agent n - methyl - n ' - nitro - n - nitrosoguanidine ( mnng ) is a widely spread environmental mutagen and carcinogen that targets dna and proteins to generate adducts. among the adducts, o6 - alkyl guanine is the predominant mutagenic lesion because of its mispairing properties, which can eventually lead to chromosomal aberrations, point mutations, and cell death. this lesion also appears to be involved in tumor initiation, particularly in gastric carcinogenesis

    單功能烷化劑n -甲基- n -硝基- n -亞硝基胍（ mnng ）是一種在環境中廣泛存在的化學誘變劑和致癌劑，它能和dna及蛋白質等生物大分子形成加合物（ adduct ） ，其引起的與突變有關的主要dna損傷類型是o ~ 6 -甲基鳥嘌呤，這種損傷與腫瘤尤其是胃癌的發生密切相關。
  16. ( 3 ) the data support that roe deer ( capreolus capreolus ) moved into hydropotinae ( presently in which there is only one species : hydropotes intermix ) and stemed its own independent genus ; ( 4 ) the results are object to the usual standpoint that dusky musk deer and alpine musk deer are two different species ; ( 5 ) it is more reasonable that moschidae ( musk deer ) is placed at the level of super family ; ( 6 ) the number of transition within 12s rrna is within the range of 2 to 20 times bigger than that of transversion ; ( 7 ) as to nucleotide composition, adenine ( a ) is much more abundant than any of other bases ( averagely 36. 88 % ) and guanine ( g ) is the least ( averagely 17. 65 % ) in the complete sequence, which is similar with the loop region

    （ 4 ）黑麝與馬麝的12srrna基因序列完全相同， 12srrna基因數據不支持黑麝與馬麝為兩個種。 （ 5 ）本實驗結果支持麝作為上科的分類階元存在。 （ 6 ） 12srrna基因的堿基代換中轉換數遠遠大於顛換數（ 2 - 20倍） （ 7 ） 12srrna基因二級結構中，全序列核苷酸的堿基組成腺嘌呤（ a ）最多（平均為36 . 88 ） ，鳥嘌呤最低（平均17 . 65 ） ，與環區的堿基組成相類似。
  17. A more direct observation the intercalation interaction by addition the eu3 + - rutin complex into dna under the optimal conditions ( 0. 1m acetate buffers. ph = 5. 69 ) using fluorimetric method was presented. according to the spectral excitation and emission spectrum of dna and guanine

    這項研究對蘆丁及蘆丁稀土配合物這些廣譜抗菌、抗病毒藥物的生理活性的定性分析和定量分析提供了一個非常直觀有力的方法和手段，一具有良好的應用前景。
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