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Dictionary » R » Ribonucleoprotein

Ribonucleoprotein

ribonucleoprotein

(Science: protein) complexes of rNA and protein involved in a wide range of cellular processes.

Besides ribosomes (with which ribonucleoprotein was originally almost synonymous), in eukaryotic cells both initial rNA transcripts in the nucleus (hnRNA) and cytoplasmic mRNAs exist as complexes with specific sets of proteins.

processing (splicing) of the former is carried out by small nuclear ribonucleoproteins (snRNP). Other examples are the signal recognition particle responsible for targetting proteins to endoplasmic reticulum and a complex involved in termination of transcription.

Acronym: RNP


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ribonucleoproteins

hey, my friend, a ribonucleoprotein is the essential component of ribosome. we know that ribosome is made of rRNA+protein. one simple ribosome has two subunits, one is large, the other one is smaller.

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by jeffrey
Thu Oct 27, 2005 11:22 am
 
Forum: Genetics
Topic: ribonucleoproteins
Replies: 4
Views: 1529

ribonucleoproteins

as the name suggests it's a comb.of na & proteins.ribosomes can b called so. the form of mrna transported from nucleus 2 cytoplasm is also a ribonucleoprotein.

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by lara
Mon Oct 03, 2005 5:17 am
 
Forum: Genetics
Topic: ribonucleoproteins
Replies: 4
Views: 1529


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