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(1) Thymine: Organic compound of the pyrimidine family, often called a Base, consisting of a ring containing Both nitrogen and carbon atoms, and a methyl group.

(2) The purine and pyrimidine may be complexed with a sugar to produce a nucleoside.

(3) Pyrimidine includes cytidine and uridine, which has a wide range of applications in the food and pharmaceutical industries.

(4) Uracil -- a pyrimidine found in RNA that base - pares with adenine.

(5) UV-B-induced cyclobutane pyrimidine dimmers (CPD) in the DNA of rice seedlings were measured using ELISA with specific monoclonal antibody.

(6) Breeding a high pyrimidine producting grain is the precondition for producting cytidine and uridine by fermentation.

(7) Biaryl substituted pyridine, pyrimidine and pyrazine compounds are sodium channel blockers useful for the treatment of pain.

(8) A nitrogenous molecule, either a PYRIMIDINE or a PURINE, that combines with a pentose sugar and phosphoric acid to form a nucleotide, the fundamental unit of nucleic acids.

(9) On the other hand , cyclobutane pyrimidine dimmer ( CPD ) just has an effect of cell cycle arrest. Sentencedict.com

(10) Cleudine is a pyrimidine analogue with potent and sustained antiviral activity against HB.

(11) Clevudine is a pyrimidine analogue with potent and sustained antiviral activity against HBV.

(12) The substitution of a purine for a pyrimidine, or vice versa is a transversion.

(13) Since the amount of nuclear material increases as cells grow and divide, new pyrimidines and purines had to come from somewhere.

(14) Consequently, these mutant cells rely exclusively on glycolysis for their energy requirements and require exogenous pyruvate and pyrimidines for growth.

(15) Very little was known about the origin of the pyrimidines and purines.

(16) Study on the synthesis of 2 - diethylamino - 6 - methyl - 4 - hydroxy pyrimidine.

(17) Three types of N? chloroacetyl substituted nitrogen? containing benzoheterocycles were introduced into pyrimidine by the formation of thioether.

(18) A rapid micromethod for the determination of nitrogen in organic compounds, such as pyridine, pyrimidine, purine, thiazole, alkaloids and amino acids, is described.

(19) On the other hand , deoxythymidine might be derived from the combination of pyrimidine alkaloid in tea leaves with microbial secondary metabolite .

(20) Hydrogen bonds play important roles to living organisms containing pyrimidine - based derivatives.

(21) In medical industry, it is used in the production of cephalosporin V, sulfanilamide -6- methoxamine pyrimidine, fluorine pyrimidine.

(22) The results show that the herbicidal activity decreases as the hydrogen atoms of the alkoxy group at 4 position of the pyrimidine ring are substituted by alkyl, alkoxy groups or fluorine atoms.

(23) In this paper, recent progresses in model studies of cyclobutane pyrimidine dimer photolyases and (6-4) photoproduct photolyases have been reviewed.

(24) Objective To investigate the clinical significances in prognosis of the expression of Pyrimidine Nucleoside Phosphorylase( PyNPase) in primary hepatocellular carcinoma.

(25) Any of several basic compounds derived from or structurally related to pyrimidine, especially the nucleic acid constituents uracil, cytosine, and thymine.

(26) The this paper , some of Heterocycle Compound which including pyridine, imidazole, thiazole, pyrimidine, indol etc, use for pharmaceutical intermediates or raw were summarized.

(27) Purine A simple nitrogenous organic molecule with a double-ring structure ? a 6-membered pyrimidine ring fused to a 5-membered imidazole ring.

(28) Several model compounds that mimic the action of photolyase have been designed, such as a chromophore attached to a pyrimidine dimer.