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Transfer rna

Known as trna. Short-chain rna molecules present in the cell (in at least 20 varieties, each variety capable of combining with a specific amino acid) that attach the correct amino acid to the protein chain that is being synthesized at the ribosome of the cell (according to directions coded in the mRNA).

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Living or not? (viruses,viroids and prions).

... stripped down, efficient predators, only carrying as much DNA or RNA necessary to hijack their host and make extra copies of themselves. The ... different genes from its hosts through a process called horizontal gene transfer. The authors favor the former explanation, because most of the genes ...

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by Sumanth001
Sun Dec 08, 2013 12:37 pm
Forum: Microbiology
Topic: Living or not? (viruses,viroids and prions).
Replies: 15
Views: 4549

Is this sentence correct or not

Some transfer rna can regognise more than one amino acid Also is that got anything to do with the degeneracy of genetic material

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by Olivert
Fri Jul 26, 2013 2:16 am
Forum: Genetics
Topic: Is this sentence correct or not
Replies: 1
Views: 701

Reasons for Skepticism on the Endosymbiosis?

... because the enzymes are unable to replace the lagging strand's terminal RNA primer. Unless there is a mechanism for circumventing this, it will result ... of a viable mechanism, perhaps most particularly with respect to the transfer of genes from the mitochondrion to the nucleus. For one thing, ...

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by SuperfluousAvatar
Thu Jan 12, 2012 7:43 pm
Forum: Cell Biology
Topic: Reasons for Skepticism on the Endosymbiosis?
Replies: 0
Views: 4820


... The DNA replication is not as accurate. They have horizontal genetic transfer (conjugation, transpositions, transformation...). Your hypothesis ... to the self-replicating molecular systems which altered them to form RNA. This could have been viruses, which could have contained RNA first as ...

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by ChesneMD
Wed Nov 16, 2011 9:16 pm
Forum: Evolution
Topic: Viral-induced evolution
Replies: 6
Views: 4591

Re: DNA Translation

The nucleotide sequence of a DNA codon is GTA. A messenger RNA molecule with a complementary codon is transcribed from the DNA. In the process of protein synthesis, a transfer RNA pairs with the mRNA codon. What is the nucleotide sequence of the tRNA anticodon ...

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by canalon
Wed Jul 13, 2011 2:10 pm
Forum: Molecular Biology
Topic: DNA Translation
Replies: 12
Views: 12587
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