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Pyridine

pyridine

(Science: physiology) A nitrogenous base, C5H5N, obtained from the distillation of bone oil or coal tar, and by the decomposition of certain alkaloids, as a colourless liquid with a peculiar pungent odour. It is the nucleus of a large number of organic substances, among which several vegetable alkaloids, as nicotine and certain of the ptomaines, may be mentioned. See lutidine.

Origin: From Gr. Fire.


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Re: Is DNA living or non-living thing?? get the answer here

... two purines and three pyrimidines occur widely in nucleic acids. B. Pyrimidine is a heterocyclic aromatic organic compound similar to benzene and pyridine, containing two nitrogen atoms at positions 1 and 3 of the six-member ring. A purine is a heterocyclic aromatic organic compound, consisting ...

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by Dov Henis
Fri Dec 28, 2012 4:29 pm
 
Forum: Molecular Biology
Topic: Is DNA living or non-living thing?? get the answer here
Replies: 23
Views: 45900

Re: Theories - Origin of Life

... two purines and three pyrimidines occur widely in nucleic acids. B. Pyrimidine is a heterocyclic aromatic organic compound similar to benzene and pyridine, containing two nitrogen atoms at positions 1 and 3 of the six-member ring. A purine is a heterocyclic aromatic organic compound, consisting ...

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by Dov Henis
Fri Dec 23, 2011 7:29 am
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 559
Views: 755588

Re: DNA backbone breakage

DNA consist of three component i.e., Sugar (deoxyribose), Base ( Purine and Pyridine), Phosphate group. DNA backbone made up of alternative sugar and phosphate are held together by Phosphodiester bond. Phosphodiester bond is a covalend bond, so energy is required ...

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by kanagasundar
Tue Oct 05, 2010 3:54 am
 
Forum: Genetics
Topic: DNA backbone breakage
Replies: 5
Views: 7608

Cetylpyridinium chloride solution storage

well pyridine is degraded by bacteria, that's why i said that you should keep it sterile. But i don't think it would chemically degrade in water (you have it in an aqueous solution right?). though myself i don't like to keep ...

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by MrMistery
Wed Apr 14, 2010 2:49 am
 
Forum: Cell Biology
Topic: Cetylpyridinium chloride solution storage
Replies: 4
Views: 1956

The Fiber Disease

... and Chem. Commun. 1826-1827 (2001). Studies ON some new Ru (iii) complexes using aryl-azopentane-2,4-dione and bis (2 ' - benzimidazolyl) pyridine as ligands: ,Preparation of a series of novel fluorophores and N-substituted 6-amino and 6,6 " - diamino-2,2':6',2 " - terpyridine ...

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by Nadas Moksha
Tue Aug 22, 2006 11:33 am
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 4989264
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