Uracil (U) Pyrimidine. Les bases de pryimidine sont composées d'une structure à un seul … What does pyrimidine bases mean in law? As a result, pyrimidines are planar molecules and are characterized by strong UV absorption generally near 260 nm. Définition Base Pyrimidique. The pyrimidine bases are thymine (T) and cytosine (C) in DNA and cytosine (C) and uracil (U) in RNA. A pyrimidine is an organic ring consisting of six atoms: 4 carbon atoms and 2 nitrogen atoms. Meaning of pyrimidine bases as a legal term. Le chimiste allemand Hermann … pyrimidine base definition in English dictionary, pyrimidine base meaning, synonyms, see also 'pyridine',primine',pyridoxamine'. Pronunciation of pyrimidine and its etymology. Atoms or groups attached to this ring distinguish pyrimidines, which include cytosine, thymine, uracil, thiamine (vitamin B1), uric … [3] Two common UV products are cyclobutane pyrimidine … programmes-cadres - acersocome - jonsonien - ultraroyaliste - ferroferrite - … This recycling, however, is not sufficient to meet total body requirements and so some de novo synthesis is essential. Example sentences containing pyrimidine home > pyrimidine Pyrimidine: One of the two classes of bases in DNA and RNA. Pyrimidine bases are weakly basic. Pyrimidines are one of two biologically important families of nitrogen-containing molecules called nitrogenous bases. Les bases pyrimidiques sont au nombre de 3 : la cytosine, l’uracile et la thymine. The merging of the support level and resistance level. Adenine (A) Purine. Différence clé: La pyrimidine est un composé organique aromatique hétérocyclique composé d’azote et de carbone. Definition of Pyrimidine. Guanine (G) Purine. 1. en biochimie, composé azoté des bases pyrimidiques. Les pyrimidines groupent, pour l'azote, un noyau azoté commun à toutes les bases pyrimidiques. Related words - pyrimidine synonyms, antonyms, hypernyms and hyponyms. Purine and pyrimidine bases which are not degraded are recycled - i.e. La plupart des organismes vivants sont capables de synthétiser naturellement des pyrimidines. Definition of pyrimidine bases in the Legal Dictionary - by Free online English dictionary and encyclopedia. Les bases azotées sont des molécules aromatiques dont le noyau est soit une purine (bases puriques), soit une pyrimidine (bases pyrimidiques). Les bases puriques sont au nombre de 2 : l’adénine et la guanine. Base azotée entrant dans la composition des acides nucléiques de la cellule vivante. Recherche d'information médicale. Base In technical analysis, a situation in which the support level and the resistance level are roughly … … avec . Definition of pyrimidine in the Definitions.net dictionary. La xanthine L'acide urique Histoire. Ultraviolet light (UV) induces the formation of covalent linkages between consecutive bases along the nucleotide chain in the vicinity of their carbon–carbon double bonds. Elle entre notamment … There are many other nitrogenous bases found in nature, plus the molecules may be found incorporated into other compounds. Definition of a nucleoside. Pyrimidine definition, a heterocyclic compound, C4H4N2, that is the basis of several important biochemical substances. Two pyrimidines, cytosine and thymine, commonly are found in DNA; in RNA, uracil replaces thymine. What does pyrimidine mean? reincorporated into nucleotides. Definition of pyrimidine in the Fine Dictionary. Pyrimidine bases may exist in different tautomeric define forms depending on the pH. Le plus simple de ces 2 noyaux, la pyrimidine est une base azotée comportant 2 atomes d'azote et 4 atomes de carbone, le tout formant un cycle hétérogène ou hétérocycle de 6 atomes (Privat de Garilhe, Acides nucl., 1963, p. 14). Définitions. The dimerization reaction can also occur among pyrimidine bases … Definition of a nucleotide. Elles sont présentes au sein de molécules impliquées dans la transduction d'un signal cellulaire, qui correspond au … Meaning of pyrimidine. Dictionnaire français. Sens 1 . Pyrimidines are also found in some meteorites, although their origin … For example, pyrimidine rings are found in thiamine (vitamin B1) and barbituates as well as in nucleotides. pyrimidines. Learn all about basicity of pyrimidine. De novo … What is pyrimidine bases? traduction pyrimidine base dans le dictionnaire Anglais - Francais de Reverso, voir aussi 'primitive',pyramid',pyramid selling',prim', … Elle est la base complémentaire d'une pyrimidine : la cytosine (C) (dans l'ADN et l'ARN). The pyrimidine bases are thymine (T) and cytosine (C) in DNA and cytosine (C) and uracil (U) in RNA. A chart pattern depicting the period when the supply and demand of a certain stock are in relative equilibrium, resulting in a narrow trading range. La base pyrimidique est une molécule azotée hétérocyclique aromatique, présente dans l'ADN et l'ARN. Pyrimidines. Class of nucleotides with two rings. Information and translations of pyrimidine in the most comprehensive dictionary definitions resource on the web. Purines. A third pyrimidine, uracil, takes the place of thymine in RNA. Nucléotide Pyrimidique: Pyrimidines … It is a... | Meaning, pronunciation, translations and examples Pyrimidine definition is - a feeble organic base C4H4N2 of penetrating odor. (Figure 4-2) Full glossary ... pyrimidine … See more. Biologie. Synthèse des pyrimidines. Base A technical analysis tool. In a more precise chemical description, pyrimidine dimers form from pairs of thymine bases or pairs of cytosine bases in via photochemical reactions. Définition pyrimidine; Synonyme pyrimidine; Définition pyrimidine. pyrimidine est employé comme nom féminin singulier. Base + sugar + phosphate. Elle est la base complémentaire d'une pyrimidine : la thymine (T) (dans l'ADN) ou l'uracile (U) (dans l'ARN). Most people chose this as the best definition of pyrimidine: A single-ringed, crystall... See the dictionary meaning, pronunciation, and sentence examples. 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