Homework Answers
Bis gene expression is increased in these cells, which enhances the replication, transcription followed by protein synthesis, thus result in formation of harmones in the cells.
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4. (2pts) Which of the following is true concerning expression levels of the BIS gene in...
Questions 3-4: In eukaryotes, miR-5 is a microRNA with sequence complementarity to the 3'UTR of the...
Questions 3-4: In eukaryotes, miR-5 is a microRNA with sequence complementarity to the 3'UTR of the mRNA transcript encoded by the BIS gene. The BIS gene encodes for a protein that acts as an allosteric inhibitor of the protein p101. Question 3 2 pts 4. (2pts) Which of the following is true concerning expression levels of the BIS gene in cells expressing miR-5? BIS gene expression is increased in these cells BIS gene expression is decreased in these cells BIS...
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...
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...
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...
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...
B. (10pts) Gene expression can be regulated in many ways. In the gene below, each letter...
B. (10pts) Gene expression can be regulated in many ways. In the gene below, each letter represents a different mutation. Indicate which mutation would: (Use each letter only once.) trigger non-sense mediated decay increase transcript stability result in aberrant splicing reduce mRNA expression levels alter ADAR RNA editing promoter D — transcribed region intron A intron E exon- transcription factor binding sites exon spliced mRNA T 5'UTR CDS 3'UTR start codon stop codon C. (8pts) UAU encodes the amino acid...
Which of the following is the most appropriate indication of gene expression level? A ONA 6....
Which of the following is the most appropriate indication of gene expression level? A ONA 6. Protein CRNA DmRNA QUESTION 14 In reality, what is being directly quantified in real-time rt-PCR to estimate the gene expression level? OM Protein levels by amplifying with ribosomes using fluorescently tagged amino acids B. DNA which is amplified with gene-specific primers and measured for fluorescence Reverse transcriptase levels which indicates rate of mRNA transcription O mRNA which is amplified with gene-specific primers and measured...
QUESTION 4 Which of the following is NOT a mechanisms of protein expression? Specific transcription factors...
QUESTION 4 Which of the following is NOT a mechanisms of protein expression? Specific transcription factors binding to enhancers Export of mRNA into the cytoplasm DNA polymerase phosphorylation 5'UTR secondary structure blocking AUG QUESTION 5 Suppose you have all the necessary proteins for transcription of a gene present AND active/turned on AND in the right location within the cell. Under what conditions would you NOT see transcription of that gene? UmRNA has already been transcribed from that gene but has...
9. Analyze the diagram below of a nuclear response for gene expression: Which of the following...
9. Analyze the diagram below of a nuclear response for gene
expression:
Which of the following is this cell using to control all of the
other events to regulate gene expression?
a. phosphate bonded to a transcription factor
b. phosphorylation cascade with multiple steps
c. specific hormone that initiates a response
d. transcription housed outside of the nucleus
10. Below is a model of a signal transduction pathway that results
in the transcribing of mRNA:
Referencing the model, what...
Quiz 10 1. (2 points) Which of the following conditions would lead to the highest levels of lac operon expression? a) High lactose, high glucose b) High lactose, low glucose c) Low lactose, high...
Quiz 10 1. (2 points) Which of the following conditions would lead to the highest levels of lac operon expression? a) High lactose, high glucose b) High lactose, low glucose c) Low lactose, high glucose d) Low lactose, low glucose e) None of the above would have any lac operon expression 2. (2 points) Which of the following is true concerning molecular genetics? a) tRNA carries amino acids into the nucleus in eukaryotic cells b) DNA polymerase moves towards the...
Questions 3-4: In eukaryotes, miR-5 is a microRNA with sequence complementarity to the 3'UTR of the mRNA transcript encoded by the BIS gene. The BIS gene encodes for a protein that acts as an allosteric inhibitor of the protein p101. Question 3 2 pts 4. (2pts) Which of the following is true concerning expression levels of the BIS gene in cells expressing miR-5? BIS gene expression is increased in these cells BIS gene expression is decreased in these cells BIS...
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...
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...
B. (10pts) Gene expression can be regulated in many ways. In the gene below, each letter represents a different mutation. Indicate which mutation would: (Use each letter only once.) trigger non-sense mediated decay increase transcript stability result in aberrant splicing reduce mRNA expression levels alter ADAR RNA editing promoter D — transcribed region intron A intron E exon- transcription factor binding sites exon spliced mRNA T 5'UTR CDS 3'UTR start codon stop codon C. (8pts) UAU encodes the amino acid...
Which of the following is the most appropriate indication of gene expression level? A ONA 6. Protein CRNA DmRNA QUESTION 14 In reality, what is being directly quantified in real-time rt-PCR to estimate the gene expression level? OM Protein levels by amplifying with ribosomes using fluorescently tagged amino acids B. DNA which is amplified with gene-specific primers and measured for fluorescence Reverse transcriptase levels which indicates rate of mRNA transcription O mRNA which is amplified with gene-specific primers and measured...
QUESTION 4 Which of the following is NOT a mechanisms of protein expression? Specific transcription factors binding to enhancers Export of mRNA into the cytoplasm DNA polymerase phosphorylation 5'UTR secondary structure blocking AUG QUESTION 5 Suppose you have all the necessary proteins for transcription of a gene present AND active/turned on AND in the right location within the cell. Under what conditions would you NOT see transcription of that gene? UmRNA has already been transcribed from that gene but has...
9. Analyze the diagram below of a nuclear response for gene
expression:
Which of the following is this cell using to control all of the
other events to regulate gene expression?
a. phosphate bonded to a transcription factor
b. phosphorylation cascade with multiple steps
c. specific hormone that initiates a response
d. transcription housed outside of the nucleus
10. Below is a model of a signal transduction pathway that results
in the transcribing of mRNA:
Referencing the model, what...
Quiz 10 1. (2 points) Which of the following conditions would lead to the highest levels of lac operon expression? a) High lactose, high glucose b) High lactose, low glucose c) Low lactose, high glucose d) Low lactose, low glucose e) None of the above would have any lac operon expression 2. (2 points) Which of the following is true concerning molecular genetics? a) tRNA carries amino acids into the nucleus in eukaryotic cells b) DNA polymerase moves towards the...
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