mRNA processing - addition of the polyA tail Draw a picture showing the addition of the...
mRNA processing - addition of the polyA tail
Draw a picture showing the addition of the polyA tail to the pre-mRNA
Include
- the gene (DNA)
- the pre-mRNA
- the 5' cap
- the 3' cleavage site and the consensus sequence that signals cleavage
- where RAT1 binds and degrades
- where the polyA tail is added
- the endonuclease
- polyA polymerase
Homework Answers
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mRNA processing - addition of the polyA tail
Draw a picture showing the addition of the...
Not sure where I am going wrong. Each type of pre-mRNA processing has one or more...
Not sure where I am going
wrong.
Each type of pre-mRNA processing has one or more important functions. Match the function with the appropriate type of processing XAddition of 5' cap Addition of poly(A) tail RNA splicing enables movement of mRNA out of the nucleus increases mRNA stability through addition of many non-DNA-templated nucleotides facilitates binding of ribosome to beginning of mRNA involves cleavage of RNA downstream of AAUAAA consensus sequence removes non-coding regions from pre-mRNA increases mRNA stability through...
What does the 5 prime cap on the mature mRNA consist of? (Choose all that apply)...
What does the 5 prime cap on the mature mRNA consist of? (Choose all that apply) cap proteins backwards, methylated G nucleotide polyA tail ribosome QUESTION 7 Which DNA regions are necessary to specify removal of an intron? (choose all that apply) cleavage site branch point 5' splice site 3' splice site U-rich sequence QUESTION 9 Which of the following can permit a single gene to produce several different proteins? (choose all that apply) multiple 5' capping sites alternative splicing...
25. Which of the following is not true concerning eukaryotic mRNA processing (A) addition of a...
25. Which of the following is not true concerning eukaryotic mRNA processing (A) addition of a 3' poly-A tail (D) occurs in the nucleus (C) intron splicing (B) addition of a S' cap (E) occurs in the cytoplasm 26. Which of the following is involved in maintaining lysogeny in (A) PRE (B) PRM (C) PRI (D) PRO (E) all of the choices are correct Use the following diagram to answer questions 27-28. Each circle represents a DNA molecule and the...
In rho-dependent transcription termination: the formation of a hairpin in the transcribed mRNA causes RNA polymerase...
In rho-dependent transcription termination: the formation of a hairpin in the transcribed mRNA causes RNA polymerase to pause, facilitating termination. rho binds the mRNA, and when it makes contact with RNA polymerase, it assists with the removal of the mRNA from the DNA template. the rho factor binds to the -10 consensus sequence located in the promoter region to terminate transcription. a site within the poly(A) tail is cleaved which signals termination. the 3' untranslated region (3" UTR) is synthesized....
Label each structure in the following diagram of mRNA processing. Not all labels will be used....
Label each structure in the following diagram of mRNA processing. Not all labels will be used. Questions 11-14 Use asnwers A - E below pre-mRNA 1 30 31 104 105 146 + 1 12.. pre-mRNA 30 31 105 146 13.. Coding segment 14.. mRNA 146 exon 5-cap polymerase poly-A tail intron
Please help with 1-16!!! (two pictures are attached) Thanks! Transcription . Although both prokaryotes and eukaryotes...
Please help with 1-16!!! (two pictures are attached) Thanks!
Transcription . Although both prokaryotes and eukaryotes put a cap and a tail on the mRNA, only eukaryotes have introns that have to be spliced out. (T/F) 2. The poly A tail on cukaryotic mRNA protects the RNA from rapid degradation in the cytoplasm. (T/F) 3. The polyA tail is added to eukaryotic mRNA immediatel after transport of the message from the nucleus. (T/F) 4. is usually a single stranded molecule....
Question 19 (3 points) Saved Choose all of the modifications to mRNA in eukaryotes. 5' methyl...
Question 19 (3 points) Saved Choose all of the modifications to mRNA in eukaryotes. 5' methyl G cap splicing endonuclease 3' poly A tail exonuclease Question 21 (4 points) ✓ Saved Please put the following activities of translation initiation in order from first to last. 2 tRNA with anticodon UAC binds to mRNA codon AUG large subunit of ribosome binds to mRNA Small subunit of ribosome binds to mRNA 1 v A-site is open 3 Choose all the molecules that...
Which is not a type of pre-mRNA processing in eukaryotes? O splicing O 5' cap addition...
Which is not a type of pre-mRNA processing in eukaryotes? O splicing O 5' cap addition O RNA editing O polyadenylation 3' mRNA degradation
need to help w questions In eukaryotes, the addition of a 5' cap and 3' polyadenylation......
need to help w questions
In eukaryotes, the addition of a 5' cap and 3' polyadenylation... refer to post-translational modifications occur in the cytoplasm refer to modifications of tRNA are regulated in part by the CTD of RNA polymerase II UD A. seunit Star Transcription activators can function at different steps, which of the following is not one of these steps? releasing RNA polymerase from pause recruiting RNA polymerase to the promoter region/ catalyzing addition of the 5 methyl cap...
QUESTION 5 Match these terms to the descriptions below. b. , is added onto mRNA during...
QUESTION 5 Match these terms to the descriptions below. b. , is added onto mRNA during processing d , proteins that help initiate RNA synthesis a. spliceosome b. cap c. telomere d. transcription factors e. promoter a, removes introns from primary RNA transcript TATA-rich DNA sequence indicating the start site of a gene c repeating sequences found at the ends of linear DNA
Not sure where I am going
wrong.
Each type of pre-mRNA processing has one or more important functions. Match the function with the appropriate type of processing XAddition of 5' cap Addition of poly(A) tail RNA splicing enables movement of mRNA out of the nucleus increases mRNA stability through addition of many non-DNA-templated nucleotides facilitates binding of ribosome to beginning of mRNA involves cleavage of RNA downstream of AAUAAA consensus sequence removes non-coding regions from pre-mRNA increases mRNA stability through...
What does the 5 prime cap on the mature mRNA consist of? (Choose all that apply) cap proteins backwards, methylated G nucleotide polyA tail ribosome QUESTION 7 Which DNA regions are necessary to specify removal of an intron? (choose all that apply) cleavage site branch point 5' splice site 3' splice site U-rich sequence QUESTION 9 Which of the following can permit a single gene to produce several different proteins? (choose all that apply) multiple 5' capping sites alternative splicing...
25. Which of the following is not true concerning eukaryotic mRNA processing (A) addition of a 3' poly-A tail (D) occurs in the nucleus (C) intron splicing (B) addition of a S' cap (E) occurs in the cytoplasm 26. Which of the following is involved in maintaining lysogeny in (A) PRE (B) PRM (C) PRI (D) PRO (E) all of the choices are correct Use the following diagram to answer questions 27-28. Each circle represents a DNA molecule and the...
In rho-dependent transcription termination: the formation of a hairpin in the transcribed mRNA causes RNA polymerase to pause, facilitating termination. rho binds the mRNA, and when it makes contact with RNA polymerase, it assists with the removal of the mRNA from the DNA template. the rho factor binds to the -10 consensus sequence located in the promoter region to terminate transcription. a site within the poly(A) tail is cleaved which signals termination. the 3' untranslated region (3" UTR) is synthesized....
Label each structure in the following diagram of mRNA processing. Not all labels will be used. Questions 11-14 Use asnwers A - E below pre-mRNA 1 30 31 104 105 146 + 1 12.. pre-mRNA 30 31 105 146 13.. Coding segment 14.. mRNA 146 exon 5-cap polymerase poly-A tail intron
Please help with 1-16!!! (two pictures are attached) Thanks!
Transcription . Although both prokaryotes and eukaryotes put a cap and a tail on the mRNA, only eukaryotes have introns that have to be spliced out. (T/F) 2. The poly A tail on cukaryotic mRNA protects the RNA from rapid degradation in the cytoplasm. (T/F) 3. The polyA tail is added to eukaryotic mRNA immediatel after transport of the message from the nucleus. (T/F) 4. is usually a single stranded molecule....
Question 19 (3 points) Saved Choose all of the modifications to mRNA in eukaryotes. 5' methyl G cap splicing endonuclease 3' poly A tail exonuclease Question 21 (4 points) ✓ Saved Please put the following activities of translation initiation in order from first to last. 2 tRNA with anticodon UAC binds to mRNA codon AUG large subunit of ribosome binds to mRNA Small subunit of ribosome binds to mRNA 1 v A-site is open 3 Choose all the molecules that...
Which is not a type of pre-mRNA processing in eukaryotes? O splicing O 5' cap addition O RNA editing O polyadenylation 3' mRNA degradation
need to help w questions
In eukaryotes, the addition of a 5' cap and 3' polyadenylation... refer to post-translational modifications occur in the cytoplasm refer to modifications of tRNA are regulated in part by the CTD of RNA polymerase II UD A. seunit Star Transcription activators can function at different steps, which of the following is not one of these steps? releasing RNA polymerase from pause recruiting RNA polymerase to the promoter region/ catalyzing addition of the 5 methyl cap...
QUESTION 5 Match these terms to the descriptions below. b. , is added onto mRNA during processing d , proteins that help initiate RNA synthesis a. spliceosome b. cap c. telomere d. transcription factors e. promoter a, removes introns from primary RNA transcript TATA-rich DNA sequence indicating the start site of a gene c repeating sequences found at the ends of linear DNA
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