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WVU / Biochemistry / BIOC 410 / What is spliceosome?

What is spliceosome?

What is spliceosome?


School: West Virginia University
Department: Biochemistry
Course: Introduction to Biochemistry
Professor: Kimberly barnes
Term: Fall 2018
Tags: ribonucleic, transcription, RNA, DNA polymerase, and spliceosome
Cost: 25
Name: Transcription
Description: Overview of notes discussed in lecture about transcription and the types of RNA.
Uploaded: 12/02/2018
1 Pages 80 Views 3 Unlocks

Samantha Fernandez (Rating: )


What is spliceosome?

Biochemistry Dr. Krauss

Highlight = Important Principle         Highlight = Key Term

Week 17 Transcription 

Gene Expression

­ Genes are not used until transcribed and expressed

­ Introns – portion of the gene not expressed into a protein

­ Exons – portion of the gene that is expressed into a protein 

­ RNA polymerase uIf you want to learn more check out What makes price elasticity of demand very useful today?
nwinds DNA and transcribes into RNA 

­ Contains 5 subunits

­ Transcription begins upstream  We also discuss several other topics like What is the #1 reason why new products fail?

­ A hairpin structure indicates termination of transcription 

­ See page 1048 to see RNA processing

­ Some introns splice themselves 

What is the difference between introns and exons?

­ See pages 1051­1058 for the processing and splicing methods. This material is hard to put into words, so  diagrams are used well

RNA Processing and Modification 

­ Bacterial mRNAs do not undergo any significant form of processing; the primary transcript that is  synthesized is itself the mature mRNA, and its translation usually begins before the transcription is  complete

­ Eukaryotic mRNA synthesis is fundamentally similar to bacterial mRNA transcription, but eukaryotic  transcription is processed far more

­ Eukaryotic mRNAs are processed as they are being synthesized, and that 5’ cap (7­ methyl guanosine) is added as soon as initiation begins

­ The termination of mRNA synthesis is due to polyadenylation 

What is a hairpin structure indicates?

We also discuss several other topics like Define classical conditioning.
We also discuss several other topics like What is the study of matter?
If you want to learn more check out What are the different types of volcanoes and their connection to tectonic environment?
We also discuss several other topics like Who is tutankhamen?

­ Spliceosome – the protein­RNA complex involved in splicing GU­AG or AU­AC introns  ­ As previously state, transcription and translation each are processes difficult to explain and it is advised to view diagrams and videos on the subjects 

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