Dictionary » C » Codons



(Science: molecular biology) The coding unit of dna that specifies the function of the corresponding messenger rna.

a triplet of bases recognised by anticodons on transfer rna and hence specifying an amino acid to be incorporated into a protein sequence. The code is degenerate, i.e. Each amino acid has more than one codon. The stop codon determines the end of a polypeptide.

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Another molecular question

... because most of amino acids are coded by more than one triplet. But if you manage to select piece where are mostly AAs coded by only one or two codons, you could prepare degenerated probes and use them for the hybridization. However, that will not work for hemoglobin in erythrocytes.

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by JackBean
Wed Aug 21, 2013 1:37 pm
Forum: Molecular Biology
Topic: Another molecular question
Replies: 3
Views: 1134

Re: Explain why Genetic Code is called "Rosetta Stone" of life?

Our genetic information is translated into codons, which can then be read and utilized by our RNA. It's like translating it into a different language. I think that is more along the lines of what your professor was looking for. Your answer was ...

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by Tbuie
Sun Aug 04, 2013 4:30 pm
Forum: Genetics
Topic: Explain why Genetic Code is called "Rosetta Stone" of life?
Replies: 11
Views: 8684

Re: Have all human genes been identified?

... one function of an mRNA, there may be more functions of alternative-spliced products of the gene waiting to be identified. Also: Alternative start codons Alternative poly-A tailing RNA editing (such as conversion of a base to inosine) Association of peptide chains into quartenary structures, with ...

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by jonmoulton
Thu Nov 29, 2012 6:43 pm
Forum: Molecular Biology
Topic: Have all human genes been identified?
Replies: 3
Views: 1533

Genes and Proteins

answer: codons...

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by Darby
Tue Nov 20, 2012 3:23 am
Forum: Genetics
Topic: Genes and Proteins
Replies: 3
Views: 1285

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

... for us to see all the variables and how they are formed I wrote a minimal code subroutine to save on disk (and in RAM) a list of 1 to 8 letter codons in Base4 or Base5. The lines of code to save to disk can later be removed, for use in the chromosome illustration program that currently only ...

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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: 11314
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