Homework Answers
introns:-
Its RNA product is removed during
Its sequence is transcribed to RNA.
EXONS:-
Its sequence is not translated to protien.
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Which of the following items on the left refer to introns and which refer to exons?...
5. A eukaryotic protein-encoding gene contains two introns and three exons: exon 1–intron 1–exon 2–intron 2–exon...
5. A eukaryotic protein-encoding gene contains two introns and three exons: exon 1–intron 1–exon 2–intron 2–exon 3. The 5ʹ splice site at the boundary between exon 2 and intron 2 has been eliminated by a small deletion in the gene. Describe how the pre-mRNA encoded by this mutant gene would be spliced. Indicate which introns and exons would be found in the mRNA after splicing occurs
A eukaryotic protein-encoding gene has three introns and 4 exons. A splicing repressor commonly binds to...
A eukaryotic protein-encoding gene has three introns and 4 exons. A splicing repressor commonly binds to the 3' end of the second intron (introns 2/ exon three splice sites) draw the mRNA strand before and after splicing Diagram a final functional eukaryotic mRNA molecule from the 5' end to 3' end. There should be 7 items labeled in the diagram.
Genes in eukaryotes are often organized into exons and intrans, which require splicing to produce an...
Genes in eukaryotes are often organized into exons and intrans, which require splicing to produce an mRNA that can be translated. The gene organization is the order of the DNA segments that comprise the gene starting with the promoter, the first exon, the first intron, the second exon, and so on. The interspersed intrans can make gene identification difficult in eukaryotesparticularly in higher eukaryotes with many introns and alternative spliced mRNAs. Prediction of many genes and their organization has been...
3of 3 9. The figure below represents the primary transcript of a gene that contains four exons (A, B, C, D) and two introns. The dark block in exon B indicates the position of an additional stop...
3of 3 9. The figure below represents the primary transcript of a gene that contains four exons (A, B, C, D) and two introns. The dark block in exon B indicates the position of an additional stop codon; the normal start and stop codons for translation are present in exons A and D respectively. The two arrows indicate alternative 3' splice sites for the first intron Pre-mRNA 5'I 3' intron intron Give a schematic representation of the mature mRNAs that...
OLU Ucues Assignment 4c. In eukaryotes, genes are composed of exons and introns, with only exons...
OLU Ucues Assignment 4c. In eukaryotes, genes are composed of exons and introns, with only exons included in the mRNA. Each gene also has its own adjacent promoter, to which the transcribing enzyme RNA polymerase binds. Related genes may be clustered together on the same chromosome as a “gene family." Answer each of the following questions in the answer box of the assignment. You may also write the answers directly into the assignment document and then upload your answers. Number...
The diagram shows the size and position of the exons (numbered) and introns (lines) of a...
The diagram shows the size and position of the exons (numbered)
and introns (lines) of a gene that codes for hypothetical Protein
X, which can exist as two isoforms (either 16 or
17 amino acid residues long). Why " A" is the correct answer, can
you please explain step by step. Thank you!
Which technique can be used to determine if a sample of cells
expresses both isoforms?
Synthesize cDNA from Protein X mRNA using
primers overlapping exons 1 and...
1-arrange the following strucutures/chemicals in order of size from smallest to largest: A.Codon B.gene C.base D.chromosome...
1-arrange the following strucutures/chemicals in order of size from smallest to largest: A.Codon B.gene C.base D.chromosome 2- during RNA processing................ A. RNA molecule is made from a DNA template B. The RNA molecule is translated into protein molecule C. All of exons are removed and discarded D. Introns are cut from the RNA and the exons are spliced together
Hint 1. How is a complete initiation complex formed? Drag the labels to their correct locations...
Hint 1. How is a complete initiation complex formed? Drag the labels to their correct locations in the diagram to describe the roles of the various transcription factors in the formation of a complete initiation complex Reset Help part of initial committed complex TFIIA IIB added during formation of minimal initiation complex sa cosci.ccccccca RNA polymerase II added during formation of complete initiation complex Submit Request Answer Hint 2. How is pre-mRNA processed into mature mRNA? Select the two statements...
The human protein coding gene frt has three exons. A mutation at the splice junction between...
The human protein coding gene frt has three exons. A mutation at the splice junction between the second exon and first intron leads to an inability to remove a DNA segment during splicing. Which of the following is describes the most likely outcome(s) of this mutation: termination of translation within the coding sequence of the second exon termination of transcription within the coding sequence of the second intron termination of transcription before the coding sequence of the second exon termination...
answer all the questions 18) A mutation occurs such that a spliceosome cannot remove one of...
answer all the questions
18) A mutation occurs such that a spliceosome cannot remove one of the introns in a gene. What effect will this have on the gene? Translation will continue, but a nonfunctional protein will be made b) Translation will continue and will skip the intron sequence c) It will have no effect; the gene will be transcribed and translated into protein d) Transcription will terminate easily and the protein will not be made 19. During the process...
3of 3 9. The figure below represents the primary transcript of a gene that contains four exons (A, B, C, D) and two introns. The dark block in exon B indicates the position of an additional stop codon; the normal start and stop codons for translation are present in exons A and D respectively. The two arrows indicate alternative 3' splice sites for the first intron Pre-mRNA 5'I 3' intron intron Give a schematic representation of the mature mRNAs that...
OLU Ucues Assignment 4c. In eukaryotes, genes are composed of exons and introns, with only exons included in the mRNA. Each gene also has its own adjacent promoter, to which the transcribing enzyme RNA polymerase binds. Related genes may be clustered together on the same chromosome as a “gene family." Answer each of the following questions in the answer box of the assignment. You may also write the answers directly into the assignment document and then upload your answers. Number...
The diagram shows the size and position of the exons (numbered)
and introns (lines) of a gene that codes for hypothetical Protein
X, which can exist as two isoforms (either 16 or
17 amino acid residues long). Why " A" is the correct answer, can
you please explain step by step. Thank you!
Which technique can be used to determine if a sample of cells
expresses both isoforms?
Synthesize cDNA from Protein X mRNA using
primers overlapping exons 1 and...
Hint 1. How is a complete initiation complex formed? Drag the labels to their correct locations in the diagram to describe the roles of the various transcription factors in the formation of a complete initiation complex Reset Help part of initial committed complex TFIIA IIB added during formation of minimal initiation complex sa cosci.ccccccca RNA polymerase II added during formation of complete initiation complex Submit Request Answer Hint 2. How is pre-mRNA processed into mature mRNA? Select the two statements...
The human protein coding gene frt has three exons. A mutation at the splice junction between the second exon and first intron leads to an inability to remove a DNA segment during splicing. Which of the following is describes the most likely outcome(s) of this mutation: termination of translation within the coding sequence of the second exon termination of transcription within the coding sequence of the second intron termination of transcription before the coding sequence of the second exon termination...
answer all the questions
18) A mutation occurs such that a spliceosome cannot remove one of the introns in a gene. What effect will this have on the gene? Translation will continue, but a nonfunctional protein will be made b) Translation will continue and will skip the intron sequence c) It will have no effect; the gene will be transcribed and translated into protein d) Transcription will terminate easily and the protein will not be made 19. During the process...
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