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Purine

purine

(Science: biochemistry molecular biology) A heterocyclic compound with a fused pyrimidine/imidazole ring. Planar and aromatic in character. The parent compound for the purine bases of nucleic acids.


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

... September 30, 2011 A. Purines and pyrimidines are two of the building blocks of nucleic acids. Only two purines and three pyrimidines occur widely in nucleic acids. B. Pyrimidine is a heterocyclic aromatic organic compound similar to benzene and pyridine, ...

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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: 24
Views: 52514

Re: Codons are triplets, but what's a Singlet, Doublet, etc?

... 'Letters are in alphabetical order, sorted listboxes will retain same codon order. Dim ACGTN(4) As String ACGTN(0) = "A" 'Purine-base Adenine ACGTN(1) = "C" 'Pyrimidine-base Cytosine ACGTN(2) = "G" 'Purine-base Guanine ACGTN(3) = "T" 'Pyrimidine-base ...

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by GaryGaulin
Mon Oct 29, 2012 7:18 am
 
Forum: Bioinformatics
Topic: Codons are triplets, but what's a Singlet, Doublet, etc?
Replies: 4
Views: 11025

Do the simplest bacteria have ribosomes and helicase?

... Thing is, A, C, G and T/U in DNA/RNA molecule mean separate nuclotides, with purine/pyrimidine, carbohydrate and exactly one phospate group in-between. For synthesis of RNA ATP, CTP, GTP and UTP are used. As such, there is ATP ...

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by dustman
Sat May 26, 2012 11:04 pm
 
Forum: Molecular Biology
Topic: Do the simplest bacteria have ribosomes and helicase?
Replies: 27
Views: 13353

Method preventing illnesses in the progeny

... up and decrease the concentration of DNA in cells, not without changing its structure. Having lost the way among two birches, in the form of purine and pyrimidine the bases: adenine - guanine and thymine – uracil, genetics exaggerate value of DNA in an organism together with own applicability ...

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by valentindolzhenko
Sun Jan 08, 2012 4:26 pm
 
Forum: Physiology
Topic: Method preventing illnesses in the progeny
Replies: 3
Views: 8240

Re: Theories - Origin of Life

EarthLife Genesis@Aromaticity.H-Bonding A. Purines and pyrimidines are two of the building blocks of nucleic acids. Only two purines and three pyrimidines occur widely in nucleic acids. B. Pyrimidine is a heterocyclic aromatic organic compound similar to benzene and pyridine, containing ...

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by Dov Henis
Fri Dec 23, 2011 7:29 am
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 560
Views: 888123
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