During the process of splicing, introns are removed from the pre-mRNA by the spliceosome and exons are spliced back together. If the introns are not removed,the RNA would be translated into a nonfunctional protein. Splicing occurs in the nucleus before the RNA migrates to the cytoplasm. ...
Archaea are thought to be examples of some of the earliest life forms to have evolved on the planet as they are able to exist in the most extremes of environments. Introns are sections of DNA that do not appear to encode for any known gene in an organism....
Step-by-Step Solution:1. Understanding mRNA Types: - In eukaryotes, the initial RNA transcript synthesized from DNA is called precursor mRNA (pre-mRNA). This pre-mRNA contains both coding regions (exons) an
A:TATA box proteins B:Exons C:Introns D:Transcription factors 答案:D 7. Which transcription factor can recognize and bind to TATA box? ( ) A:TFII H B:TFII D C:TFII E D:TFII B 答案:B 8. A mutation to this sequence in eukaryotic mRNA will affect the process by ...
(right). The chromosome is X-shaped because it is dividing. Introns are regions often found in eukaryote genes that are removed in the splicing process (after the DNA is transcribed into RNA): Only the exons encode the protein. The diagram labels a region of only 55 or so bases as a ...
1 Translation •OncetheDNAcodehasbeenTranscribed ontoamRNAmolecule,mRNAleavesthe nucleusandmovesintothecytoplasm.In thecytoplasmthemRNAcombineswith theRibosomestomakeEnzymes/Proteins. TheProcessofreadingthemRNAcode andbuildinga(n)Enzyme/Proteiniscalled Translation,orProteinSynthesis. 2 InorderforTranslation/Pr...
Translation • OncetheDNAcodehasbeenTranscribed ontoamRNAmolecule,mRNAleavesthe nucleusandmovesintothecytoplasm.In thecytoplasmthemRNAcombineswith theRibosomestomakeEnzymes/Proteins. TheProcessofreadingthemRNAcode andbuildinga(n)Enzyme/Proteiniscalled Translation,orProteinSynthesis. InorderforTranslation/Protein...