Both Gal4/UAS and Repressor/operator involve the relief of expression in the presence of the induce (Galactose...
Both Gal4/UAS and Repressor/operator involve the relief of expression in the presence of the induce (Galactose or lactose respectively). What is the kay difference between the two systems?
Homework Answers
The basic difference between the two given operons lies in terms of the way in which they bring repression. In Gal operon, the repressor molecules bind to two operator sites. This is followed by the dimerization of these repressor molecules which leads to the creation of a DNA loop that decreases the accessibility of DNA to RNA polymerase. However, in case of lac operon, a single repressor binds to the operator and does not allow RNA polymerase to bind. Thus, there is no formation of DNA loop in lac operon.
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Both Gal4/UAS and Repressor/operator involve the relief of
expression in the presence of the induce (Galactose...
Describe how the expression of this gene is regulated. Include the roles of all key players...
Describe how the expression of this gene is regulated. Include
the roles of all key players (GAL3, GAL4, GAL80, Gene promoter, RNA
polymerase, and transcription factors) illustrated.
Understanding regulation of transcription in eukaryotes. The images below depict how the expression of a gene required to break down lactose in yeast is regulated. The top image illustrates the key regulators of the process. The bottom two panels illustrate what happens in the presence and absence of galactose. Describe how the expression...
What would happen to the expression of this gene if this cell did not have any...
What would happen to the expression of this gene if this cell
did not have any GAL4 protein and why?
What would happen to the expression of this gene if this cell
did not have any GAL80 protein and why?
What would happen to the expression of this gene if this cell
did not have any GAL3 protein and why?
Understanding regulation of transcription in eukaryotes. The images below depict how the expression of a gene required to break down...
Question 3 1 pts What would happen to the expression of this gene if this cell...
Question 3 1 pts What would happen to the expression of this gene if this cell did not have any GAL4 protein and why? It would be always off because GAL4 activates transcription . it would be always on because GAL80 won't be able to bind DNA without GAL4 it would be always on because GAL4 inhibits transcription it would only be on when galactose is present Question 4 1 pts What would happen to the expression of this gene...
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1. According to the paper, what does lactate dehydrogenase (LDH) do and what does it allow...
1. According to the paper, what does lactate dehydrogenase
(LDH) do and what does it allow to happen within the myofiber? (5
points)
2. According to the paper, what is the major disadvantage of
relying on glycolysis during high-intensity exercise? (5
points)
3. Using Figure 1 in the paper, briefly describe the different
sources of ATP production at 50% versus 90% AND explain whether you
believe this depiction of ATP production applies to a Type IIX
myofiber in a human....
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Describe how the expression of this gene is regulated. Include
the roles of all key players (GAL3, GAL4, GAL80, Gene promoter, RNA
polymerase, and transcription factors) illustrated.
Understanding regulation of transcription in eukaryotes. The images below depict how the expression of a gene required to break down lactose in yeast is regulated. The top image illustrates the key regulators of the process. The bottom two panels illustrate what happens in the presence and absence of galactose. Describe how the expression...
What would happen to the expression of this gene if this cell
did not have any GAL4 protein and why?
What would happen to the expression of this gene if this cell
did not have any GAL80 protein and why?
What would happen to the expression of this gene if this cell
did not have any GAL3 protein and why?
Understanding regulation of transcription in eukaryotes. The images below depict how the expression of a gene required to break down...
Question 3 1 pts What would happen to the expression of this gene if this cell did not have any GAL4 protein and why? It would be always off because GAL4 activates transcription . it would be always on because GAL80 won't be able to bind DNA without GAL4 it would be always on because GAL4 inhibits transcription it would only be on when galactose is present Question 4 1 pts What would happen to the expression of this gene...
1. According to the paper, what does lactate dehydrogenase
(LDH) do and what does it allow to happen within the myofiber? (5
points)
2. According to the paper, what is the major disadvantage of
relying on glycolysis during high-intensity exercise? (5
points)
3. Using Figure 1 in the paper, briefly describe the different
sources of ATP production at 50% versus 90% AND explain whether you
believe this depiction of ATP production applies to a Type IIX
myofiber in a human....
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