Homework Answers
1. The repressor bind with the OPERATOR site of the operon.
2. Since codon sequence changes in frameahift mutation, hence AMINOACID SEQUENCE will change .
3.INITIATION OF TRANSLATION is the critical regulatory stage for majority of gene.
4.HAIRPIN structure is involved in tryptophan attenuation mechanism.
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QUESTION 1 Where do repressor proteins bind? Repressor sequence o 3' UTR...
please answer all 6 questions Question 27 3 pts TRBP is a protein important for the...
please answer all 6 questions
Question 27 3 pts TRBP is a protein important for the formation of the RISC complex. Which of the following would you expect in cells with null mutations in TRBP? o Reduced siRNA-mediated mRNA degradation o Increased miRNA-mediated translational repression o Increased deadenylase-mediated mRNA degradation o Reduced proteasome-mediated protein degradation D Question 28 3 pts A protein that binds to the 3' UTR of a VEGF mRNA and promotes deadenylation and uncapping is likely to:...
In eukaryotes, miR-5 is a microRNA with sequence complementarity to the 3 UTR of the mRNA...
In eukaryotes, miR-5 is a microRNA with sequence complementarity to the 3 UTR of the mRNA transcript encoded by the UCD gene. The UCD gene encodes for a protein that acts as an allosteric activator of the protein p101. The p101 protein is a histone acetyl transferase (HAT) which is an enzyme that acetylates histones when the protein is in its active form A different lung cancer cell line is found to have significantly decreased amounts of histone acetylation. Which...
Question: In eukaryotes, miR-5 is a microRNA with sequence complementarity to the 3’UTR of the mRNA...
Question: In eukaryotes, miR-5 is a microRNA with sequence complementarity to the 3’UTR of the mRNA transcript encoded by the ABC gene. The ABC gene encodes for a protein that acts as an allosteric activator of the protein p101. The p101 protein is a histone acetyl transferase (HAT) which is an enzyme that acetylates histones when the protein is in its active form. A. In a lung cancer cell line, the p101 protein is overly active leading to misregulation of...
Exam Practice Questions: L09-11 1. Fill in each blank with the best word or phrase selected...
Exam Practice Questions: L09-11 1. Fill in each blank with the best word or phrase selected from the list below. Not all words or phrases will be used; each word or phrase should be used only once. promoter translation pause site RBS sigma factor tmRNA RNA polymerase stop codon transcription Rho factor ribosome start codon DNA polymerase attenuation tRNA The first step in gene expression is by to make an mRNA that encodes for one or more proteins. This requires...
Answer the questions: Question 1 Transcription begins at the..... a. operon o b. repressor c. genome...
Answer the questions:
Question 1 Transcription begins at the..... a. operon o b. repressor c. genome 17d. promoter Question 2 0.5 points Save RNA is synthesized on a DNA template in a process called replication, DNA polymerase translation, RNA polymerase transcription, RNA polymerise t ranscription, DNA polymerase Question 3 Which eukaryotic RNA polymerase makes tRNA's? a RNA polymerase IIIb. Any of these RNA polymerase I od RNA polymerase II A Moving to another question will save this response. Question 4...
In eukaryotes, miR-5 is a microRNA with sequence complementarity to the 3 UTR of the mRNA...
In eukaryotes, miR-5 is a microRNA with sequence complementarity to the 3 UTR of the mRNA transcript encoded by the UCD gene. The UCD gene encodes for a protein that acts as an allosteric activator of the protein p101. The p101 protein is a histone acetyl transferase (HAT) which is an enzyme that acetylates histones when the protein is in its active form In a lung cancer cell line, the p101 protein is overly active leading to misregulation of gene...
Questions 8-9: In eukaryotes, miR-5 is a microRNA with sequence complementarity to the 3'UTR of the...
Questions 8-9: In eukaryotes, miR-5 is a microRNA with sequence complementarity to the 3'UTR of the MRNA transcript encoded by the UCD gene. The UCD gene encodes for a protein that acts as an allosteric activator of the protein p101. The p101 protein is a DNA methyltransferase (DNMT) which is an enzyme that methylates DNA when the protein is in its active form. 8. 8. (1pt) In a lung cancer cell line, the p101 protein is overly active leading to...
13. Why are ribonucleoside triphosphates the monomers required for RNA synthesis rather than ribonucleoside monophosphates? A....
13. Why are ribonucleoside triphosphates the monomers required for RNA synthesis rather than ribonucleoside monophosphates? A. Only ribonucleoside triphosphates contain the sugar ribose. B. Ribonucleoside triphosphates have low potential energy, making the polymerization reaction endergonic. C. Ribonucleoside triphosphates have high potential energy, making the polymerization reaction exergonic. D. Ribonucleoside monophosphates cannot form complementary base pairs with the DNA template. E. Ribonucleoside triphosphates are not used, rather all use deoxyriboside triphosphates. 14. How is a mutation in a bacterial cell that...
To answer the next set of question you need to imagine how asg, hsg and asg...
To answer the next set of question you need to imagine how asg, hsg and asg expression might change in the three yeast cell types in the absence of the listed protein. If you imagine that the steady state levels of mRNA will increase in the absence of the protein then you would say it functions as a repressor. If you imagine that the steady state levels of mRNA will decrease in the absence of the protein then you would...
choose the right answer : 1- what is degradation of ' unwanted' proteins in eukaryotic cells...
choose the right answer : 1- what is degradation of ' unwanted' proteins in eukaryotic cells A- polyribosomes B- proteasomes C- editosome D- spliceosomes 2- addition or deletion of bases causes which kind of mutation A- transition B- transcription C- transversion D- frameshift mutation 3- point mutation involve : A- change in single base pair B- deletion C- duplication D- insertion 4- what is the complementary m-RNA sequence for the DNA sequence C-A-A-G-G-T A- C-A-A-G-G-U B- G-U-U-C-C-A C- C-A-A-G-G-T D-...
please answer all 6 questions
Question 27 3 pts TRBP is a protein important for the formation of the RISC complex. Which of the following would you expect in cells with null mutations in TRBP? o Reduced siRNA-mediated mRNA degradation o Increased miRNA-mediated translational repression o Increased deadenylase-mediated mRNA degradation o Reduced proteasome-mediated protein degradation D Question 28 3 pts A protein that binds to the 3' UTR of a VEGF mRNA and promotes deadenylation and uncapping is likely to:...
In eukaryotes, miR-5 is a microRNA with sequence complementarity to the 3 UTR of the mRNA transcript encoded by the UCD gene. The UCD gene encodes for a protein that acts as an allosteric activator of the protein p101. The p101 protein is a histone acetyl transferase (HAT) which is an enzyme that acetylates histones when the protein is in its active form A different lung cancer cell line is found to have significantly decreased amounts of histone acetylation. Which...
Exam Practice Questions: L09-11 1. Fill in each blank with the best word or phrase selected from the list below. Not all words or phrases will be used; each word or phrase should be used only once. promoter translation pause site RBS sigma factor tmRNA RNA polymerase stop codon transcription Rho factor ribosome start codon DNA polymerase attenuation tRNA The first step in gene expression is by to make an mRNA that encodes for one or more proteins. This requires...
Answer the questions:
Question 1 Transcription begins at the..... a. operon o b. repressor c. genome 17d. promoter Question 2 0.5 points Save RNA is synthesized on a DNA template in a process called replication, DNA polymerase translation, RNA polymerase transcription, RNA polymerise t ranscription, DNA polymerase Question 3 Which eukaryotic RNA polymerase makes tRNA's? a RNA polymerase IIIb. Any of these RNA polymerase I od RNA polymerase II A Moving to another question will save this response. Question 4...
In eukaryotes, miR-5 is a microRNA with sequence complementarity to the 3 UTR of the mRNA transcript encoded by the UCD gene. The UCD gene encodes for a protein that acts as an allosteric activator of the protein p101. The p101 protein is a histone acetyl transferase (HAT) which is an enzyme that acetylates histones when the protein is in its active form In a lung cancer cell line, the p101 protein is overly active leading to misregulation of gene...
Questions 8-9: In eukaryotes, miR-5 is a microRNA with sequence complementarity to the 3'UTR of the MRNA transcript encoded by the UCD gene. The UCD gene encodes for a protein that acts as an allosteric activator of the protein p101. The p101 protein is a DNA methyltransferase (DNMT) which is an enzyme that methylates DNA when the protein is in its active form. 8. 8. (1pt) In a lung cancer cell line, the p101 protein is overly active leading to...
13. Why are ribonucleoside triphosphates the monomers required for RNA synthesis rather than ribonucleoside monophosphates? A. Only ribonucleoside triphosphates contain the sugar ribose. B. Ribonucleoside triphosphates have low potential energy, making the polymerization reaction endergonic. C. Ribonucleoside triphosphates have high potential energy, making the polymerization reaction exergonic. D. Ribonucleoside monophosphates cannot form complementary base pairs with the DNA template. E. Ribonucleoside triphosphates are not used, rather all use deoxyriboside triphosphates. 14. How is a mutation in a bacterial cell that...
To answer the next set of question you need to imagine how asg, hsg and asg expression might change in the three yeast cell types in the absence of the listed protein. If you imagine that the steady state levels of mRNA will increase in the absence of the protein then you would say it functions as a repressor. If you imagine that the steady state levels of mRNA will decrease in the absence of the protein then you would...
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