Dictionary » T » TRNA

TRNA

Definition

noun, plural: tRNAs

RNA involved in protein synthesis, i.e. transporting specific amino acid to the ribosome to be added onto the growing polypeptide chain


Supplement

tRNA molecule has these two important regions:


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Is this sentence correct or not

no, this has to do with promiscuity of aminoacyl-tRNA synthetases ( http://www.nobelprize.org/educational/medicine/dna/a/translation/trna_aminoact.html ). Anyway, I think the naturally occuring aa-tRNA synthetases are pretty specific.

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by JackBean
Mon Jul 29, 2013 10:37 am
 
Forum: Genetics
Topic: Is this sentence correct or not
Replies: 1
Views: 983

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

Um, this answer is completely correct. mRNA, along with tRNA and rRNA, does produce amino acids (a protein, of course!). Not sure what your prof was thinking....

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by brycehughes
Thu May 31, 2012 4:41 am
 
Forum: Genetics
Topic: Explain why Genetic Code is called "Rosetta Stone" of life?
Replies: 11
Views: 8765

Re:

Both are nucleic acids containing genetic information with different sugars deoxyribose and ribose sugars RNA is more than 'genetic information'. tRNA, microRNA, ribosomes and so on have plethora of other functions. Only mRNA and genome of some viruses falls in 'genetic information' type.

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by dustman
Thu May 24, 2012 10:57 am
 
Forum: Molecular Biology
Topic: what is DNA & RNA?
Replies: 9
Views: 5233

Wobble hypothesis.How does met & trp not get mis translated?

You seem to have a misunderstanding about this. Among the 64 possible codons, 61 codons specify amino acids (except the 3 stop codons). If each tRNA molecule pairs with its complementary codon using Watson-Crick base pairing, then 61 different tRNA molecules would be required. But some tRNA molecules ...

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by Sue4
Tue Apr 10, 2012 4:30 pm
 
Forum: Molecular Biology
Topic: Wobble hypothesis.How does met & trp not get mis translated?
Replies: 2
Views: 5189

Wobble hypothesis.How does met & trp not get mis translated?

I understand the principle of the wobble hypothesis, that the last base pair between a mRNA codon and a tRNA anticodon is not as stringent as the DNA base pairing rules. However the rules as they were explained to me do not compensate for met & trp. If the tryptophan codon ...

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by Awol
Sun Apr 08, 2012 6:33 pm
 
Forum: Molecular Biology
Topic: Wobble hypothesis.How does met & trp not get mis translated?
Replies: 2
Views: 5189
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