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Pyrimidine

pyrimidine

(Science: biochemistry) A family of 6-membered heterocyclic compounds occurring in nature in a wide variety of forms. They are planar and aromatic in character and include several nucleic acid constituents (cytosine, thymine, and uracil) and form the basic structure of the barbiturates.

It is the parent compound of the pyrimidine bases of nucleic acid.


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

... 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 two nitrogen atoms at positions 1 and 3 of the six-member ...

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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: 45878

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

... 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 Thymine ACGTN(4) = "N" '"N" ...

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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: 9065

Scientific paper on DNA replication & gel electrophoresis

... Please correct anything I have wrong: -The purpose of the experiment was to study what happens when an E. coli replisome encounters a cyclobutane pyrimidine dimer (CPD) in leading strand of DNA -They constructed a plasmid containing oriC and a single CPD in the leading-strand -They inserted two ...

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by dekk1525
Sat Sep 08, 2012 11:17 pm
 
Forum: Molecular Biology
Topic: Scientific paper on DNA replication & gel electrophoresis
Replies: 0
Views: 3952

what is DNA & RNA?

RNA has a Uracil pyrimidine base in the place of thymine in DNA as well :)

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by billyfisher100
Thu Jun 21, 2012 5:36 pm
 
Forum: Molecular Biology
Topic: what is DNA & RNA?
Replies: 9
Views: 4365

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 among ...

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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: 11425
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