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Thymine

thymine

(Science: biochemistry) pyrimidine base found in dNA (in place of uracil of rNA). A base found in DNA (but not in RNA) and derived from pyrimidine; pairs with adenine.One of the four bases of a nucleotide that are found in DNA. Thymine is paired with adenine in DNA sequences and is replaced by uracil in mRNA.


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DNA question.

Perfect post by kolean, in terms of hydrogen bonding adenine and thymine are linked by 2 hydrogen bonds while guanine and cytosine are linked with 3 hydrogen bonds, thus the DNA strand with the greater ratio of CG will thus have more hydrogen bonds.

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by prokaryotics
Sat Jul 11, 2009 9:11 am
 
Forum: Molecular Biology
Topic: DNA question.
Replies: 3
Views: 282

Re: HELP ME PLEASEEE - DNA Sequences

mRNA is a messenger RNA (Ribous Nucleic Acid) molecule, it defers from DNA by being much less stable and having the base Uracil instead of Thymine . mRNA is created inside the nucleus of the cell during the process of TRANSCRITION, that is when DNA unravels at any point of interest and certain ...

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by bekbaev
Wed May 13, 2009 2:54 am
 
Forum: Human Biology
Topic: HELP ME PLEASEEE - DNA Sequences
Replies: 1
Views: 999

Wondering if someone can check this (DNA related)

... In which part of the DNA monomer will the heavy isotope 15N from e. coli be found: The base 2b. Given that 15% of the bases in a piece of DNA are thymine, calculate the percentage of the bases that are guanine: 35% Given: ATG: Tyrosine TAC: Methionine CCT: Glycine TCG: Serine CGT: Alanine 1. Write ...

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by mjaigirdar
Sun Feb 08, 2009 11:15 pm
 
Forum: General Discussion
Topic: Wondering if someone can check this (DNA related)
Replies: 1
Views: 523

can anyone help me answer these biology questions?

... are pyrimidines and which are purines **hint: remember Pur As Gold (Purines= Adenine and Guanine) and Cut The Pye (Pyrimidines = Cytosine and Thymine) - these 2 functional groups are always found in amino acids - what are plasmodesmata similar to in animals? - what functional groups can help ...

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by tungvinchenzo
Thu Feb 05, 2009 8:55 am
 
Forum: General Discussion
Topic: can anyone help me answer these biology questions?
Replies: 2
Views: 744

Re:

Yeah, 5-methyl cytosine gets spontaneously converted into thymine and in every case where it happens the G is correctly placed and T is wrong. But G-T mismatches can be formed due to some other reasons too ( e.g. replication errors) and there it is possible ...

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by YASHRAJ
Fri Jan 30, 2009 10:40 am
 
Forum: Molecular Biology
Topic: G-T Mismatch Repair
Replies: 4
Views: 486
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