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Base composition

Base composition

(Science: biochemistry) in reference to nucleic acid, the proportion of the total bases consisting of guanine plus cytosine or thymine plus adenine base pairs.

Usually expressed as a guanine _ cytosine (G_C) value, for example 60% G_C.


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Molecular gene (genome) concept scientifically untenable

... the “sequence hypothesis” (triplet code or codon, i.e., three bases at a time specified one amino acid) and the “central dogma” of molecular ... can a chemical structure (DNA) be aware of the change in its elemental composition and arrangement? How can it detect the ‘wrong’ one and ‘correct’ ...

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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: 28033

glass cuvette cleaning

... diluted. They say that you can use alcohol but you shall never use base. But as i investigate further, and specify my search into glass cuvette. ... cuvette cleaning solution, and it only stated alcohol as it main composition. Which one do you guys think i should go with? Alcohol or acid? ...

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by adihutama
Tue Mar 06, 2012 8:24 am
 
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Topic: glass cuvette cleaning
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Views: 3231

Re: Theories - Origin of Life

... leg-up in identifying the structure of DNA. These 4 nucleotide bases are Adenine ( A ), Thymine ( T ), Cytosine ( C ), Guarnine ( G ) Chargaffs ... 'isochore' structure of the human genome. This variation in base composition affects both coding and non-coding sequences and seems to reflect ...

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by scottie
Tue Jan 03, 2012 12:15 pm
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 560
Views: 907840

Plz help - question on probabilty of a nucleotide sequence

... missing something? A molecule of double-stranded DNA that is 5 million base pairs long has a base composition that is 62% G + C. How many times, on average, are the following restriction sites ...

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by james0222
Fri Mar 25, 2011 3:53 am
 
Forum: Genetics
Topic: Plz help - question on probabilty of a nucleotide sequence
Replies: 4
Views: 3217

Re: Arsenic-eating microbe

... there is the coming about of a self replicating molecule (what ever its composition) and natural selection can get started, driving evolution and ... option. The fact that water is abundant on earth make it a very good base for life on earth, but then again methane and ammonia lake are quite ...

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by canalon
Fri Dec 10, 2010 3:50 pm
 
Forum: Microbiology
Topic: Arsenic-eating microbe
Replies: 12
Views: 5809
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