Homework Answers
Answer: The figure represents a gel assay that is used to determine the interaction between DNA and protein. If DNA interacts with a protein, a complex will be formed. In Lane 1, when there is no protein (NP), we see a band of free DNA, indicating that DNA is end labeled and have given fluorescence. Further increase the protein concentration leads more binding of protein to free DNA and hence, we see increase in the complex and decrease in the free DNA from lane2 to lane 8. So, the answer is DNA is end labeled.
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Question 15 1 pts Protein (nm) Complexها با با بن +Free DNA Lane 1 2 3...
Question 16 (1 pts Protein (nM) -Complex - 2 - 3 -- 4 5 - 6...
Question 16 (1 pts Protein (nM) -Complex - 2 - 3 -- 4 5 - 6 --Free DNA 8 Lane 1 7 What would you expect if we add unlabeled competitor DNA to the sample before running on the Gel. the amount/intensity of Complex would be reduced the amount/intensity of Complex would be unaffected O the amount/intensity of Complex would be increased
Compare Lanes 3 and 4? What question is being asked? How tight of a protein-protein association...
Compare Lanes 3 and 4?
What question is being asked?
How tight of a protein-protein
association exists?
What is the result?
Compare lanes 3 and 5?
What question is being asked?
What is the result?
I need help with A and B please and can you explain how you got
the answers?
Figure 1. Transient Interaction of Newly Synthesized Proteins with Dnak E. coli spheroplasts were pulse-chase labeled at 30°C, followed by lysis and coimmunoprecipitation (co-IP) of Dnak-polypeptide complexes. (A)...
Luestion 3 1 pts Review: You have the DNA that is radioactively labeled at the S'ends...
Luestion 3 1 pts Review: You have the DNA that is radioactively labeled at the S'ends of DNA as shown below. But you want DNA that is labeled only at one end of the DNA, not both ends. One of the other undergraduate students in the lab suggests that you use a restriction enzyme to cut the DNA, then electrophorese the DNA in an agarose gel, then cut out the region of the gel with radioactive DNA fragment you want,...
Table 8-3. Interpretation of each lane on the gel. For Lanes 1-8, indicate the size of every DNA ...
HELP PLEASE! at least with some examples.
size of dna ladder- 1.8cm
We were unable to transcribe this imageTable 8-3. Interpretation of each lane on the gel. For Lanes 1-8, indicate the size of every DNA band on the gel by interpolating values from your standard curve. There may be multiple bands per lane.For EACH band, identify size (interpolated from the standard curve you constructed), identity, shape, and topology DISTANCE EACH BAND IN THE LANE H AS MIGRATED SIzE OF...
Bis 101 help Question 6 1 pts 6. (1pts) The following DNA sequence 5- AGTCGCCCATGCCG-3'undergoes a...
Bis
101 help
Question 6 1 pts 6. (1pts) The following DNA sequence 5- AGTCGCCCATGCCG-3'undergoes a mutation in which an A nucleotide is inserted at the 5' end of the molecule. How would you classify this mutation? Frameshift mutation Silent mutation Nonsense Mutation Missense mutation D Question 7 2 pts 7.(2 pts) Below is a DNA sequence encoding an mRNA strand. What are the first four amino acids that this sequence codes for? (Not that the coding strand has been...
I need help with all parts please. Compare Lanes 1 and 2? What question is being...
I need help with all parts please.
Compare Lanes 1 and 2?
What question is being asked?
What is the results
B.) Compare Lanes 3 and 4?
How tight of a protein-protein association exists?
Cytosol Anti-Dnak IP Anti-Dnak IP -Dnak -Dnak IIIIIIII Proteins bound to Dnak (Arb. Units) 1 2 3 4 5 6 0 2 8 10 4 6 Time (min) i Time (min) Adnak wt Adnak wt after 1% SDS labeled Adnak +unlabeled wt Figure 1. Transient...
1 2 3 4 5 lane lane (fig60) -- Lin-41 western blot let-7 northern blot The...
1 2 3 4 5 lane lane (fig60) -- Lin-41 western blot let-7 northern blot The images above show a northern blot using a probe to identify the let-7 miRNA (left), and a western blot (right) with a primary antibody to recognize Lin-41, a let-7 target. Assume each lane in both the northern and western blots come from the same sample. Which lane best matches each scenario described listed below? Normally processed let-7 miRNA let-7 miRNA in a Drosha mutant...
Question 2 1 pts What happens at the telomere once the RNA primer is removed? Think...
Question 2 1 pts What happens at the telomere once the RNA primer is removed? Think carefully about this answer! The question in my presentation had a mistake. DNA poll replaces the RNA primer at the 5' end of the new strand with DNA. DNA poll replaces the RNA primer at the 3' end of the new strand with DNA. None of the above Question 4 1 pts Telomerase works by Elongating the 5' to 3' newly replicated DNA strand...
Question 15 1 pts To study DNA replication, researchers often use bacteria that harbor a temperature...
Question 15 1 pts To study DNA replication, researchers often use bacteria that harbor a temperature sensitive mutation in one of the genes related to replication. This means that when cells are grown at lower temperatures (30°C) they are fine, but when shifted to 42°C the effect of the mutation becomes evident and that protein is no longer functional. Depending on the gene mutated, researchers observe that for some replication stops almost immediately, but for others more slowly. In this...
1 2 3 4 5 6 7 8 9 lane (fig64) TBP TEIID Pol 11 ΤΕΙΙΗ...
1 2 3 4 5 6 7 8 9 lane (fig64) TBP TEIID Pol 11 ΤΕΙΙΗ NELF CDK9 The figure above is a series of ChIP-PCR reactions using antibodies against different promoter protein components and primers for the human Hsp70 promoter, a TATA-box containing promoter. List the six lanes, in order, that represent the steps in which each protein loads on to the promoter. You should start with no proteins bound and end with the proteins bound at the promoter...
Question 16 (1 pts Protein (nM) -Complex - 2 - 3 -- 4 5 - 6 --Free DNA 8 Lane 1 7 What would you expect if we add unlabeled competitor DNA to the sample before running on the Gel. the amount/intensity of Complex would be reduced the amount/intensity of Complex would be unaffected O the amount/intensity of Complex would be increased
Compare Lanes 3 and 4?
What question is being asked?
How tight of a protein-protein
association exists?
What is the result?
Compare lanes 3 and 5?
What question is being asked?
What is the result?
I need help with A and B please and can you explain how you got
the answers?
Figure 1. Transient Interaction of Newly Synthesized Proteins with Dnak E. coli spheroplasts were pulse-chase labeled at 30°C, followed by lysis and coimmunoprecipitation (co-IP) of Dnak-polypeptide complexes. (A)...
Luestion 3 1 pts Review: You have the DNA that is radioactively labeled at the S'ends of DNA as shown below. But you want DNA that is labeled only at one end of the DNA, not both ends. One of the other undergraduate students in the lab suggests that you use a restriction enzyme to cut the DNA, then electrophorese the DNA in an agarose gel, then cut out the region of the gel with radioactive DNA fragment you want,...
HELP PLEASE! at least with some examples.
size of dna ladder- 1.8cm
We were unable to transcribe this imageTable 8-3. Interpretation of each lane on the gel. For Lanes 1-8, indicate the size of every DNA band on the gel by interpolating values from your standard curve. There may be multiple bands per lane.For EACH band, identify size (interpolated from the standard curve you constructed), identity, shape, and topology DISTANCE EACH BAND IN THE LANE H AS MIGRATED SIzE OF...
Bis
101 help
Question 6 1 pts 6. (1pts) The following DNA sequence 5- AGTCGCCCATGCCG-3'undergoes a mutation in which an A nucleotide is inserted at the 5' end of the molecule. How would you classify this mutation? Frameshift mutation Silent mutation Nonsense Mutation Missense mutation D Question 7 2 pts 7.(2 pts) Below is a DNA sequence encoding an mRNA strand. What are the first four amino acids that this sequence codes for? (Not that the coding strand has been...
I need help with all parts please.
Compare Lanes 1 and 2?
What question is being asked?
What is the results
B.) Compare Lanes 3 and 4?
How tight of a protein-protein association exists?
Cytosol Anti-Dnak IP Anti-Dnak IP -Dnak -Dnak IIIIIIII Proteins bound to Dnak (Arb. Units) 1 2 3 4 5 6 0 2 8 10 4 6 Time (min) i Time (min) Adnak wt Adnak wt after 1% SDS labeled Adnak +unlabeled wt Figure 1. Transient...
1 2 3 4 5 lane lane (fig60) -- Lin-41 western blot let-7 northern blot The images above show a northern blot using a probe to identify the let-7 miRNA (left), and a western blot (right) with a primary antibody to recognize Lin-41, a let-7 target. Assume each lane in both the northern and western blots come from the same sample. Which lane best matches each scenario described listed below? Normally processed let-7 miRNA let-7 miRNA in a Drosha mutant...
Question 2 1 pts What happens at the telomere once the RNA primer is removed? Think carefully about this answer! The question in my presentation had a mistake. DNA poll replaces the RNA primer at the 5' end of the new strand with DNA. DNA poll replaces the RNA primer at the 3' end of the new strand with DNA. None of the above Question 4 1 pts Telomerase works by Elongating the 5' to 3' newly replicated DNA strand...
Question 15 1 pts To study DNA replication, researchers often use bacteria that harbor a temperature sensitive mutation in one of the genes related to replication. This means that when cells are grown at lower temperatures (30°C) they are fine, but when shifted to 42°C the effect of the mutation becomes evident and that protein is no longer functional. Depending on the gene mutated, researchers observe that for some replication stops almost immediately, but for others more slowly. In this...
1 2 3 4 5 6 7 8 9 lane (fig64) TBP TEIID Pol 11 ΤΕΙΙΗ NELF CDK9 The figure above is a series of ChIP-PCR reactions using antibodies against different promoter protein components and primers for the human Hsp70 promoter, a TATA-box containing promoter. List the six lanes, in order, that represent the steps in which each protein loads on to the promoter. You should start with no proteins bound and end with the proteins bound at the promoter...
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