Explain the basics of what happens during mRNA splicing. How is the final product different from...
Explain the basics of what happens during mRNA splicing. How is the final product different from the original mRNA?
Homework Answers
Answer=Noncoding DNA is also found within most eukaryotic genes.Such genes have a split structure in which segments of coding sequence(called expressing sequences or Exons) are separated by Noncoding Sequences (Intervening Sequences or Introns).The entire gene is transcribed to yield a long RNA molecule and the Introns are then removed by splicing,so only exons are included in the mRNA.The process of existing the sequences in RNA that correspond to Introns and joining of sequences corresponding to exons is called RNA splicing.Splicing of introns process is channelize by Transesterification reaction.
The final mature m-RNA product have a 5'Cap,3'poly A tail and this m-RNA have no introns comparison to original mRNA.
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Explain the basics of what happens during mRNA splicing. How is
the final product different from...
3. Briefly describe the importance of accurate splicing. What happens if too much RNA is removed during splicing? What happens if not enough RNA is removed during splicing? What would happen if a...
3. Briefly describe the importance of accurate splicing. What happens if too much RNA is removed during splicing? What happens if not enough RNA is removed during splicing? What would happen if a splicing event results in the deletion of a single nucleotide from the beginning of an exon? (4 points)
3. Briefly describe the importance of accurate splicing. What happens if too much RNA is removed during splicing? What happens if not enough RNA is removed during splicing? What...
Which statement about mRNA splicing is not accurate? Splicing is carried out by tRNA and associated...
Which statement about mRNA splicing is not accurate? Splicing is carried out by tRNA and associated proteins The C-terminal tail domain of RNA polymerade coordinates the processing (including splicing) of mRNA. The 2’ –OH in ribose is used during the splicing reaction. Alternative splicing can produce different proteins from the same genetic sequence in DNA Which describes the cellular role of chaperone proteins? Guide nascent proteins to their final destination in the cytoplasm Help nascent proteins fold into proper tertiary...
What are the main features of splicing in pre-tRNA that distinguish it from splicing in pre-mRNA?
What are the main features of splicing in pre-tRNA that distinguish it from splicing in pre-mRNA?
D. Alternative splicing allows for: o enhanced recognition of an mRNA by a ribosome. O different...
D. Alternative splicing allows for: o enhanced recognition of an mRNA by a ribosome. O different polypeptides to be made from a single gene. O multiple genes to be used to code for a single polypeptide chain. O increased stability of a mature mRNA.
In the context of transcription, briefly explain how mRNA is processed, why and where this happens...
In the context of transcription, briefly explain how mRNA is processed, why and where this happens and where the mature mRNA transcript goes next.
Explain how the process of alternative splicing can result in the production of several different proteins...
Explain how the process of alternative splicing can result in the production of several different proteins from a single transcript from DNA.
Explain what happens with the total energy of the system at different trophic levels, indicating how...
Explain what happens with the total energy of the system at different trophic levels, indicating how much energy is transferred from one level to the next. Add a pesticide to your food chain and explain what happens with certain persistent chemical residues at different trophic levels.
6. How does Alternative splicing lead to more than one protein product from the same protein...
6. How does Alternative splicing lead to more than one protein product from the same protein coding gene? 7. What is a noncoding RNA gene? What are some examples? 8. How do noncoding RNAs regulated gene expression? 9. If the miRNA, mir168, binds to the mRNA of the let-384 gene, would you expect gene expression of let-384 to increase or decrease?
The following is part of a mRNA from a gene with two exons and the intervening...
The following is part of a mRNA from a gene with two exons and the intervening intron. The Upper Case nucleotides indicate the nucleotides that are recognized during splicing of the intron. 5'...GAU VAC AGg uau gug cuu ucc acc...300 bp...cug cag AUU ACA...3' Box the four individual nucleotides that are necessary to delineate the intron. The bold "g" was mutated to an "a". Splicing continues, but abnormally. What happens? What is the new (mutated) sequence of the mRNA molecule...
Explain how alternative splicing leads to the vast number of different mRNAs found in eukaryotic cells.
Explain how alternative splicing leads to the vast number of different mRNAs found in eukaryotic cells.
3. Briefly describe the importance of accurate splicing. What happens if too much RNA is removed during splicing? What happens if not enough RNA is removed during splicing? What would happen if a splicing event results in the deletion of a single nucleotide from the beginning of an exon? (4 points)
3. Briefly describe the importance of accurate splicing. What happens if too much RNA is removed during splicing? What happens if not enough RNA is removed during splicing? What...
D. Alternative splicing allows for: o enhanced recognition of an mRNA by a ribosome. O different polypeptides to be made from a single gene. O multiple genes to be used to code for a single polypeptide chain. O increased stability of a mature mRNA.
6. How does Alternative splicing lead to more than one protein product from the same protein coding gene? 7. What is a noncoding RNA gene? What are some examples? 8. How do noncoding RNAs regulated gene expression? 9. If the miRNA, mir168, binds to the mRNA of the let-384 gene, would you expect gene expression of let-384 to increase or decrease?
The following is part of a mRNA from a gene with two exons and the intervening intron. The Upper Case nucleotides indicate the nucleotides that are recognized during splicing of the intron. 5'...GAU VAC AGg uau gug cuu ucc acc...300 bp...cug cag AUU ACA...3' Box the four individual nucleotides that are necessary to delineate the intron. The bold "g" was mutated to an "a". Splicing continues, but abnormally. What happens? What is the new (mutated) sequence of the mRNA molecule...
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