Homework Answers
During factor independent termination RNA polymerase pauses upon encountering a termination signal is then displaced downstream upon encountering a pause or termination site.
RNA polymerase (RNAP) itself plays a role in the two principal mechanisms of transcription. Transcription termination occurs when EC encounters a termination signal, the RNA sequence form a stable hairpin loop. When RNAP encounters a termination signal, RNAP stops adding nucleotides to the RNA separates the DNA-RNA hybrid, releases the newly synthesized transcript and dissociates from the DNA template. When RNAP encounters a pause, arrest, or termination site, it isomerizes to a slow intermediate in which the RNA 3′ end frays away from the DNA.
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Question 6 2 pts During factor-independent termination, RNA polymerase pauses upon encountering a and is then...
ect Question 8 0/2 pts Which of the following statements about RNA polymerase is NOT true?...
ect Question 8 0/2 pts Which of the following statements about RNA polymerase is NOT true? RNA polymerase finishes transcription as soon as it reaches the terminator. RNA polymerase adds a ribonucleotide to the 3' end of a growing RNA molecule. During transcription of a gene, RNA polymerase reads only one strand of DNA. RNA polymerase binds to a promoter to initiate transcription. - U 000 20 O 3 $ 4 % 5 & 7 6. 8
QUESTION 6 During which stage of eukaryotic transcription do the following processes take place? 1. RNA...
QUESTION 6 During which stage of eukaryotic transcription do the following processes take place? 1. RNA polymerase ll binds to the promoter 2. The RNA transcript released 3. The RNA transcript extended a. 1-termination; 2-initiation; 3-elongation b. 1-nitiation, 2-elongation; 3-termination c. 1-elongation; 2-termination; 3-initiation d. 1-initiation; 2-termination; 3-elongation e. 1-termination; 2-elongation; 3-initiation
Incorrect Question 6 0/0.5 pts Why must dsRNA viruses package an RNA-dependent RNA polymerase (RdRp) inside...
Incorrect Question 6 0/0.5 pts Why must dsRNA viruses package an RNA-dependent RNA polymerase (RdRp) inside their viral capsid? Because all RNA viruses package an RdRp. Because the converts the ENA DNA so it can be translated by stroom Because that in the genome cannot functie ASTRA GERNArtes dontactly Preando
Question 24 4 pts Upon encountering a router with the following routing table: Prefix Match 10011110...
Question 24 4 pts Upon encountering a router with the following routing table: Prefix Match 10011110 00011110 10001111 10011110 00011110 10001111 000 10011110 00011110 10001111 01 10011110 00011110 10001110 0001 Default Port 0 1 2 3 4 A datagram with the destination IP address 158.30.143.80 would be routed to Select]
Answer the questions: Question 11 Recognition/binding site of RNA polymerase is called a Receptorb. Promoter ....
Answer the questions:
Question 11 Recognition/binding site of RNA polymerase is called a Receptorb. Promoter . Facilitatord. Terminator Question 12 .A specific factor helps RNA polymerase binding to promoters and transcribe genes a Delta b. Beta Gamma d. Sigma Question 13 ............ Promoters lack a TATA box are referred to as TATA less promoters, for example operon Housekeeping genes b. Functional genesc d. Structural genes Question 14 0.5 points Save Answer During "RNA processing" All of the exons are a....
1a. During translation termination: a. a release factor with an anticodon complementary to the stop mRNA...
1a. During translation termination: a. a release factor with an anticodon complementary to the stop mRNA codon bonds the A site b. Ribosomal complex dissociates releasing the mRNA c. all of the responses are correct. d. hydrolysis seperates the polypeptide from tRNA. --------------------------------------------------------------------------------------------------------------------------- 1b. Select the one NOT involved in the formation in the formation of a eukaryotic transcription initiation complex. a. spliceosome b. all are required c. RNA polymerase III d. transcription factors e. TATA box in a promoter...
Carvas X CO Inactivation of a specific transcription factor Modifications to the RNA transcript OPresence of...
Carvas X CO Inactivation of a specific transcription factor Modifications to the RNA transcript OPresence of repressor protelns to reduce transcription Question 8 10pts The following lists many forms in which gene expression ls regulated in Eukaryotes. Which of those is common to both prokaryotes and eukaryotes? Tight colling of the DNA around histone proteins, making it inaccessible to RNA polymerase Protecting the mRNA by adding a 5 G-cap and 3 poly A tal O Repulating the availablity of transcription...
A promotor is used by RNA polymerase during which stage of transcription? Group of answer choices...
A promotor is used by RNA polymerase during which stage of transcription? Group of answer choices A. Initiation B. Elongation C. Termination D. Promotion 2. In eukaryotic cells, mRNA is modified in several ways. Match the mRNA modifications to their functions. Group of answer choices [ Choose ] Portions of the mRNA that are removed before translation. Helps ribosomes attach to the mRNA. Depending on the length, this structure can help...
match 1. Cilia 2. Promoter 3. Flagellum 4. Microtubules 5. Codon 6. Termination signal 7. RNA...
match
1. Cilia 2. Promoter 3. Flagellum 4. Microtubules 5. Codon 6. Termination signal 7. RNA polymerase 8. Anticodon 9. Transcription factor 10. Centrioles A. A special base sequence on DNA which signals the end of transcription B. A three-base sequence or triplet on mRNA that provides the genetic information used in protein synthesis C. Long projections formed by the centrioles D. The enzyme in protein synthesis that breaks E. Start point of a gene being transcribed F. Short, cell...
2. The sequences of 13 promoters recognized by σ70 factor of RNA polymerase have been aligned...
2. The sequences of 13 promoters recognized by σ70 factor of RNA
polymerase have been aligned below. Deduce the consensus sequences
for the -10 and -35 regions of these promoters. The TSS is
highlighted. Do your consensus sequences agree with the actual
consensus sequences? If not, why?
Gene 1: TCTCAACGTAACACTTTACAGCGGCG--CGTCATTTGATATGATGC-GCCCCGCTTCCCGATAAGGG Gene 2: GATCAAAAAAATACTTGTGCAAAAAA--TTGGGATCCCTATAATGCGCCTCCGTTGAGACGACAACG Gene 3: ATGCATTTTTCCGCTTGTCTTCCTGA--GCCGACTCCCTATAATGCGCCTCCATCGACACGGCGGAT Gene 4: CCTCAAATTCAGGGTTGACTCTGAAA--GAGGAAAGCGTAATATAC-GCCACCTCGCGACAGTGAGC Gene 5: CTGCAATTTTTCTATTGCGGCCTGCG--GAGAACTCCCTATAATGCGCCTCCATCGACACGGCGGAT Gene 6: TTTTAAATTTCCTCTTGTCAGGCCGG--AATAACTCCCTATAATGCGCCACCACTGACACGGAACAA Gene 7: GCAAAAATAAATGCTTGACTCTGTAG--CGGGAAGGCGTATTATGC-ACACCCCGCGCCGCTGAGAA Gene 8: TAACACCGTGCGTGTTGACTATTTTA-CCTCTGGCGGTGATAATGG--TTGCATGTACTAAGGAGGT Gene 9: TATCTCTGGCGGTGTTGACATAAATA-CCACTGGCGGTGATACTGA--GCACATCAGCAGGACGCAC Gene 10: GTGAAACAAAACGGTTGACAACATGA-AGTAAACACGGTACGATGT-ACCACATGAAACGACAGTGA Gene 11: TATCAAAAAGAGTATTGACTTAAAGT-CTAACCTATAGGATACTTA-CAGCCATCGAGAGGGACACG...
ect Question 8 0/2 pts Which of the following statements about RNA polymerase is NOT true? RNA polymerase finishes transcription as soon as it reaches the terminator. RNA polymerase adds a ribonucleotide to the 3' end of a growing RNA molecule. During transcription of a gene, RNA polymerase reads only one strand of DNA. RNA polymerase binds to a promoter to initiate transcription. - U 000 20 O 3 $ 4 % 5 & 7 6. 8
QUESTION 6 During which stage of eukaryotic transcription do the following processes take place? 1. RNA polymerase ll binds to the promoter 2. The RNA transcript released 3. The RNA transcript extended a. 1-termination; 2-initiation; 3-elongation b. 1-nitiation, 2-elongation; 3-termination c. 1-elongation; 2-termination; 3-initiation d. 1-initiation; 2-termination; 3-elongation e. 1-termination; 2-elongation; 3-initiation
Incorrect Question 6 0/0.5 pts Why must dsRNA viruses package an RNA-dependent RNA polymerase (RdRp) inside their viral capsid? Because all RNA viruses package an RdRp. Because the converts the ENA DNA so it can be translated by stroom Because that in the genome cannot functie ASTRA GERNArtes dontactly Preando
Question 24 4 pts Upon encountering a router with the following routing table: Prefix Match 10011110 00011110 10001111 10011110 00011110 10001111 000 10011110 00011110 10001111 01 10011110 00011110 10001110 0001 Default Port 0 1 2 3 4 A datagram with the destination IP address 158.30.143.80 would be routed to Select]
Answer the questions:
Question 11 Recognition/binding site of RNA polymerase is called a Receptorb. Promoter . Facilitatord. Terminator Question 12 .A specific factor helps RNA polymerase binding to promoters and transcribe genes a Delta b. Beta Gamma d. Sigma Question 13 ............ Promoters lack a TATA box are referred to as TATA less promoters, for example operon Housekeeping genes b. Functional genesc d. Structural genes Question 14 0.5 points Save Answer During "RNA processing" All of the exons are a....
Carvas X CO Inactivation of a specific transcription factor Modifications to the RNA transcript OPresence of repressor protelns to reduce transcription Question 8 10pts The following lists many forms in which gene expression ls regulated in Eukaryotes. Which of those is common to both prokaryotes and eukaryotes? Tight colling of the DNA around histone proteins, making it inaccessible to RNA polymerase Protecting the mRNA by adding a 5 G-cap and 3 poly A tal O Repulating the availablity of transcription...
match
1. Cilia 2. Promoter 3. Flagellum 4. Microtubules 5. Codon 6. Termination signal 7. RNA polymerase 8. Anticodon 9. Transcription factor 10. Centrioles A. A special base sequence on DNA which signals the end of transcription B. A three-base sequence or triplet on mRNA that provides the genetic information used in protein synthesis C. Long projections formed by the centrioles D. The enzyme in protein synthesis that breaks E. Start point of a gene being transcribed F. Short, cell...
2. The sequences of 13 promoters recognized by σ70 factor of RNA
polymerase have been aligned below. Deduce the consensus sequences
for the -10 and -35 regions of these promoters. The TSS is
highlighted. Do your consensus sequences agree with the actual
consensus sequences? If not, why?
Gene 1: TCTCAACGTAACACTTTACAGCGGCG--CGTCATTTGATATGATGC-GCCCCGCTTCCCGATAAGGG Gene 2: GATCAAAAAAATACTTGTGCAAAAAA--TTGGGATCCCTATAATGCGCCTCCGTTGAGACGACAACG Gene 3: ATGCATTTTTCCGCTTGTCTTCCTGA--GCCGACTCCCTATAATGCGCCTCCATCGACACGGCGGAT Gene 4: CCTCAAATTCAGGGTTGACTCTGAAA--GAGGAAAGCGTAATATAC-GCCACCTCGCGACAGTGAGC Gene 5: CTGCAATTTTTCTATTGCGGCCTGCG--GAGAACTCCCTATAATGCGCCTCCATCGACACGGCGGAT Gene 6: TTTTAAATTTCCTCTTGTCAGGCCGG--AATAACTCCCTATAATGCGCCACCACTGACACGGAACAA Gene 7: GCAAAAATAAATGCTTGACTCTGTAG--CGGGAAGGCGTATTATGC-ACACCCCGCGCCGCTGAGAA Gene 8: TAACACCGTGCGTGTTGACTATTTTA-CCTCTGGCGGTGATAATGG--TTGCATGTACTAAGGAGGT Gene 9: TATCTCTGGCGGTGTTGACATAAATA-CCACTGGCGGTGATACTGA--GCACATCAGCAGGACGCAC Gene 10: GTGAAACAAAACGGTTGACAACATGA-AGTAAACACGGTACGATGT-ACCACATGAAACGACAGTGA Gene 11: TATCAAAAAGAGTATTGACTTAAAGT-CTAACCTATAGGATACTTA-CAGCCATCGAGAGGGACACG...
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