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Cytosine

Cytosine

(Science: biochemistry) A pyrimidine base found in dna and rna that pairs with guanine.

Glycosylated base is cytidine, it's derived from pyrimidine. It is one of the four nitrogenous bases, including in dna adenine, thymine, and guanine, and in rna adenine, uracil, and guanine.


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Re: Re:

... "the realm of biology" a week or two ago(self taught), and I learned just yesterday how DNA is made out of four nucleotides; adenine, cytosine, guanine and thymine... Yeah, that's how much I don't understand cancer and DNA. I was thinking about how radiation causes mutations in of ...

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by Ahsmeah
Tue Feb 05, 2013 10:10 pm
 
Forum: Physiology
Topic: Cancer = Mutation: Stopping Mutation Would Cure Cancer?
Replies: 6
Views: 7372

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

... 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" is ...

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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

Please help me with comments on my experiment

... 17 chemically analzye every layer 18 seperate layer with transcription enzymes approx 15ml 19 combine 50ml of 32.5% uracil 32.5% adenine 17.5% cytosine 17.5% guanine 20 add 1 gram ribose 21 mix in 15ml first derived substance and 5ml second derived substance 22 quickly stir in 1,5 grams magnesium ...

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by Trenchent
Wed Jun 06, 2012 5:24 pm
 
Forum: General Discussion
Topic: Please help me with comments on my experiment
Replies: 1
Views: 2168

Molecular gene (genome) concept scientifically untenable

... due to wear and tear of existence in the chromosomes only to be promptly replaced by insertases. A base can spontaneously undergo change. A cytosine, for example, will lose an amino group and become uracil. Uracil is perfectly at home in RNA but not in DNA. The enzymes called uracil glycosylases ...

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by PAWahid
Wed May 02, 2012 4:54 am
 
Forum: Molecular Biology
Topic: Molecular gene (genome) concept scientifically untenable
Replies: 12
Views: 20454

Cis-Platin and Its Effects on DNA Replication

... stage in replication is impeded. How cis-platin affects DNA replication is eluding me. I know that Guanine normally forms 3 hydrogen bonds with Cytosine. However, it seems to be forming only one hydrogen bond in this case. Could someone prod me in the correct direction ?

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by Positron
Tue Apr 24, 2012 4:14 pm
 
Forum: Human Biology
Topic: Cis-Platin and Its Effects on DNA Replication
Replies: 4
Views: 1714
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