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Ribozyme

ribozyme

ribozyme, or rna enzyme, is a rna molecule that act as enzymes, often found to catalyze cleavage of either its own or other rnas. It has also been found to catalyze the aminotransferase activity of the ribosome.


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drink water, orange juice or Cola before eating?

not all enzymes are proteins, e.g. the ribozyme is RNA trypsin is not cleaved by HCl since it is not in stomach why should be the acid neutralized? Where does the bicarbonate come from?

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by JackBean
Mon Nov 07, 2011 9:29 am
 
Forum: Physiology
Topic: drink water, orange juice or Cola before eating?
Replies: 15
Views: 32087

RNA and evolution

... can discuss this subject later, but for now, I am just going to post these two links on it, since I am immensely tired. http://creation.com/does-ribozyme-research-prove-darwinian-evolution http://www.creationism.org/heinze/Life.htm

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by Jonl1408
Sun Mar 20, 2011 12:01 am
 
Forum: Evolution
Topic: RNA and evolution
Replies: 3
Views: 1474

Does DNA encode for tRNA?

... kind, e.g. tRNA, rRNA or pre-mRNA) Second there is translation, where is mature mRNA translated into protein with help of rRNA (the formation of ribozyme and the reaction) and tRNA (brings amino acids able to couple to form the peptide). But EVERY RNA molecule is transcripted from DNA!

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by JackBean
Tue Oct 13, 2009 7:49 am
 
Forum: Molecular Biology
Topic: Does DNA encode for tRNA?
Replies: 15
Views: 7399

RNA

rRNA has the catalytic role in peptide bond formation. The enzyme previously known as peptidyl transferase is actually a ribozyme, the 23S rRNA(bacteria)

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by MrMistery
Thu Feb 15, 2007 3:58 pm
 
Forum: Cell Biology
Topic: RNA
Replies: 18
Views: 5754

SNRPs

... the eukaryotic nucleus(there are other introns that do not need SNRPs for splicing). The leading hypothesis is that the snRNA actually acts like a ribozyme, catalysing the chemical reactions(transesterification reactions), while the proteins simply stabilise the structure of the spliceosome and ...

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by MrMistery
Sat Dec 16, 2006 5:44 pm
 
Forum: Molecular Biology
Topic: SNRPs
Replies: 1
Views: 8883
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