Please can someone help me out with the predictions.
Homework Answers
Ans 1 As the wild type pathway suggest in presence of Alpha factor yeast will show both budding and schmooing while in the absence of Alpha factor yeast will neither show both budding and schmooing.
Ans 2 As the Far mutant type pathway suggest in presence of Alpha factor yeast will show only schmooing while in the absence of Alpha factor yeast will neither show both budding and schmooing. As cell arrest fator is non functional.
Ans 3 As the STE mutant type pathway suggest in presence of Alpha factor yeast will neither show both budding and schmooing as well as in the absence of Alpha factor yeast will neither show both budding and schmooing. As Alpha factor is nonfunctional.
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Please can someone help me out with the predictions.
Experiment: This “lab" will examine how disruption...
14. You are studying a newly discovered growth factor. You find that this growth factor stimulates...
14. You are studying a newly discovered growth factor. You find that this growth factor stimulates the proliferation of cells grown in the laboratory. You have also found that the receptor that binds the growth factor is a receptor kinase that activates Ras, which activates the MAP kinase pathway. Which mutations affecting this growth factor pathway would you expect to promote uncontrolled cell proliferation? Select all that apply. A. a mutation that inactivates the phosphatase that dephosphorylates the activated receptor...
Need help on these questions ? 1.) Steroid hormones trigger transcription of target genes by... ...
Need help on these questions ? 1.) Steroid hormones trigger transcription of target genes by... a. activating the release of Ca+2 ions that bind to and activate transcription factors. b. activating a kinase cascade that results in the activation of a transcription factor for a set of genes. c. binding directly to DNA and stimulating transcription. d. binding to nuclear receptors that act as transcription factors for specific genes. 2.) Which type of cell-surface receptor(s), when...
32. Study the signaling pathway illustrated below, which involves two different receptors. Assume that a protein...
32. Study the signaling pathway illustrated below, which involves two different receptors. Assume that a protein is active only when it is activated, but not inhibited, by its upstream signaling molecules. Activation and inhibition are indicated by normal and blunt arrows, respectively. Assume that the transcription regulator can be activated by either the binding protein or the kinase that are immediately upstream of the transcription factor. Under which of the following conditions will the expression of target:gene "X" be induced?...
Drosopholia eye development is an example of cell differentiation directed by signal binding to a receptor...
Drosopholia eye development is an example of cell differentiation directed by signal binding to a receptor tyrosine kinase (RTK). In this pathway, R7 photoreceptor development requires a receptor (SEV, sevenless), which is activated by binding to a plasma membrane bound signal (BOSS, bride-of-sevenless) displayed on the adjacent R8 cell Receptor activation leads to activation of RAS via two proteins, Drk (down- stream of receptor kinases) and Sos (son-of-sevenless). Activated RAS leads to activation of a phosphorylation cascade that activates the...
Question 10-12 10. During the mating process, yeast cells respond to pheromones secreted by other yeast...
Question 10-12
10. During the mating process, yeast cells respond to pheromones secreted by other yeast cells. These pheromones bind GPCRs on the surface of the responding cell and lead to the activation of proteins inside the cell. When a wild-type yeast cell senses the pheromone, its physiology changes in preparation for mating: the cell stops growing until it finds a mating partner. If yeast cells do not undergo the appropriate response after sensing a pheromone, they are considered sterile....
Can anyone help me solve this? Thank you in advance! Signal transduction. MATCHING!! Please write the...
Can anyone help me solve this? Thank you in advance!
Signal transduction. MATCHING!! Please write the LETTER OF the correct word(s) in front of the statements below. None, one, or more than one can be correct. A. IP3 B. G-protein C. DAG D. Calcium E. Myosin Light Chain kinase F. CAMP G. Tyrosine kinase receptor H. Calmodulin 1. Kinase J. Phospholipase C K. Steroid receptor L. None of the above answers is correct binds to estrogen to become a transcription...
Please answer 2-5 2. Consider a gene with a particular function. Mutation X and mutation Y...
Please answer 2-5
2. Consider a gene with a particular function. Mutation X and mutation Y cach cause defects in the function of the encoded protein, yet a gene containing both mutations X and Y encodes a protein that works even better than the original protein. The odds are exceedingly small that a single mutational event will generate both mutations X and Y. Explain a simple way that an organism with a mutant gene containing both mutations X and Y...
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:...
I need help with 6 a and b please. can you explain how you got the...
I need help with 6 a and b please. can you explain how you got
the answers?
State rational for your answer: 6) In unstimulated muscle cells, the glucose transporter Glut4 is present in the membrane of endosomes. Upon stimulation of these cells with insulin, the endosomes fuse with the plasma membrane, thereby depositing Glut4 in the plasma membrane, where it serves to transport glucose into the cells. In order for insulin to elicit this change in Glut4 localization, insulin...
can someone explain how to answer this with reasons why 30-45 mins after estrogen addition: Acchyiase...
can someone explain how to answer this with reasons why
30-45 mins after estrogen addition: Acchyiase (HAT, odde auhye 60-90 mins after estrogen addition: Reauitment ef Poy to open 7. T identify the Gene X DNA element responsible for regulation by a Growth Fagor, you perform a linker scanning experiment in which you mutate 10 bp Tegions centered around positions -205 to-5 in the Gene X promoter/promoter- proximal region (wt wild-type promoter). The promoter variants were tested for their ability...
32. Study the signaling pathway illustrated below, which involves two different receptors. Assume that a protein is active only when it is activated, but not inhibited, by its upstream signaling molecules. Activation and inhibition are indicated by normal and blunt arrows, respectively. Assume that the transcription regulator can be activated by either the binding protein or the kinase that are immediately upstream of the transcription factor. Under which of the following conditions will the expression of target:gene "X" be induced?...
Drosopholia eye development is an example of cell differentiation directed by signal binding to a receptor tyrosine kinase (RTK). In this pathway, R7 photoreceptor development requires a receptor (SEV, sevenless), which is activated by binding to a plasma membrane bound signal (BOSS, bride-of-sevenless) displayed on the adjacent R8 cell Receptor activation leads to activation of RAS via two proteins, Drk (down- stream of receptor kinases) and Sos (son-of-sevenless). Activated RAS leads to activation of a phosphorylation cascade that activates the...
Question 10-12
10. During the mating process, yeast cells respond to pheromones secreted by other yeast cells. These pheromones bind GPCRs on the surface of the responding cell and lead to the activation of proteins inside the cell. When a wild-type yeast cell senses the pheromone, its physiology changes in preparation for mating: the cell stops growing until it finds a mating partner. If yeast cells do not undergo the appropriate response after sensing a pheromone, they are considered sterile....
Can anyone help me solve this? Thank you in advance!
Signal transduction. MATCHING!! Please write the LETTER OF the correct word(s) in front of the statements below. None, one, or more than one can be correct. A. IP3 B. G-protein C. DAG D. Calcium E. Myosin Light Chain kinase F. CAMP G. Tyrosine kinase receptor H. Calmodulin 1. Kinase J. Phospholipase C K. Steroid receptor L. None of the above answers is correct binds to estrogen to become a transcription...
Please answer 2-5
2. Consider a gene with a particular function. Mutation X and mutation Y cach cause defects in the function of the encoded protein, yet a gene containing both mutations X and Y encodes a protein that works even better than the original protein. The odds are exceedingly small that a single mutational event will generate both mutations X and Y. Explain a simple way that an organism with a mutant gene containing both mutations X and Y...
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:...
I need help with 6 a and b please. can you explain how you got
the answers?
State rational for your answer: 6) In unstimulated muscle cells, the glucose transporter Glut4 is present in the membrane of endosomes. Upon stimulation of these cells with insulin, the endosomes fuse with the plasma membrane, thereby depositing Glut4 in the plasma membrane, where it serves to transport glucose into the cells. In order for insulin to elicit this change in Glut4 localization, insulin...
can someone explain how to answer this with reasons why
30-45 mins after estrogen addition: Acchyiase (HAT, odde auhye 60-90 mins after estrogen addition: Reauitment ef Poy to open 7. T identify the Gene X DNA element responsible for regulation by a Growth Fagor, you perform a linker scanning experiment in which you mutate 10 bp Tegions centered around positions -205 to-5 in the Gene X promoter/promoter- proximal region (wt wild-type promoter). The promoter variants were tested for their ability...
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