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Splicing in Biological Definition

Alternative splicing

... Alternative splicing is the process that occurs in eukaryotes in which the splicing process of a pre-mRNA can lead to different ... not decided yet. This decision is made during the splicing process. The regulation and selection of splice ...

Gene

... are removed on the heels of transcription by splicing . In the primary molecular sense they represent ... be expressed. Because of the complexity of the splicing process, one transcribed RNA may be spliced in ... not one but a variety of proteins ( alternative splicing ) from one pre-mRNA. Prokaryotes produce a ...

Spliceosome

... exons are spliced together. Alternative splicing Alternative splicing (the re-combination of different introns ) is a ... in eukaryotes. For example alternative splicing is what makes our immune systems so diverse ...

Splicing (genetics)

... In genetics , splicing is a modification of genetic information prior ... Mutations in the introns can prevent splicing and thus prevent protein biosynthesis . In many cases, the splicing process can create many unique proteins from a ...

Exon

... gene will end up in the final protein due to the process of alternative splicing . Some mRNA transcripts have no exons whatsoever and thus are sometimes ... creation of a new exon, as result of mutations in intronic sequences. splicing can be experimentally modified so that targeted exons are excluded from ...

Intron

... mRNA are called exons . Introns sometimes allow for alternative splicing of a gene, so that several different proteins that share some sections in ... are actually ribozymes that are capable of catalyzing their own splicing out of the primary RNA transcript. They remove themselves on their own. ...

Restriction enzyme

... 1 Sites of cleavage 2 Fragment complementarity and splicing 3 Restriction enzymes as tools 4 Many Recognition sequences are ... cleave DNA by a different mechanism. Fragment complementarity and splicing Because recognition sequences differ between restriction enzymes, the ...

Enzyme

... in catalytic reactions. Ribozymes An RNA enzyme or " ribozyme " is made of RNA instead of protein. Generally, ribozymes only catalyze RNA splicing , though one notable exception is the RNA portion of the ribosome, which catalyzes the formation of peptide bonds in growing protein chains. ...

Proteome

... proteome is larger than the genome , expecially in eukaryotes , in the sense there are more proteins than genes . This is due to alternative splicing of genes and post-translational modifications like glycosylation or phosphorylation . Moreover the proteome has at least two levels of ...

Proteomics

... proteins in the human proteome (~22,000 genes vs. ~200,000 proteins). The large increase in protein diversity is thought to be due to alternative splicing and post-translational modification of proteins. This discrepancy implies that protein diversity cannot be fully characterized by gene expression ...

RNA

... greater use of DNA and proteins. Biological role RNA plays several roles in biology: Messenger RNA ( mRNA ) is transcribed directly ( splicing in eukaryotes ) from a gene 's DNA (in eukaryotes exported into the cytoplasm ) and is used to encode proteins. RNA genes are genes that ...
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