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Ans-5 a.)
Ans-5
b.)
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IN CONTEXT OF GENE EXPRESSION AND PROTEIN SYNTHESIS
OUTCOME
5. a), Why are Proto-Oncogenes important for...
b) Now consider the diagram below. Under each of three scenarios, explain a likely cellular consequence...
b) Now consider the diagram below. Under each of three scenarios, explain a likely cellular consequence relative to gene expression and protein synthesis outcome, assuming each could lead to a development of cancer. (12 pts) Proto-oncogene DELETION OR POINT MUTATION IN CODING SEQUENCE GENE AMPLIFICATION CHROMOSOME REARRANGEMENT OR DNA- RNA
3) Proto-oncogenes can be converted to oncogenes by various genetic changes. Which of these mechanisms is...
3) Proto-oncogenes can be converted to oncogenes by various genetic changes. Which of these mechanisms is not likely to contribute to conversion to an oncogene? Select one: A: Extra copies of the gene are made, thereby enhancing expression. B: A mutation occurs upstream of the gene that results in a more active promoter. C: Chromosomes break and fragments are translocated from one chromosome to another. D: Point mutations occur that result in a protein more resistant to degradation. E: All...
Cancer and Gene Regulation Why is a cell cycle control system needed for cell division? What...
Cancer and Gene Regulation Why is a cell cycle control system needed for cell division? What happens when cells do NOT respond to the cell cycle control system and divide excessively? Tumor Proto-oncogeno (for protein that stimulates coll division) 6 Y DNA Benign Tumor= Mutation withln a control region of DNA Malignant Tumor Mutated promoter Metastasis Normal growth-stimulating protein in excess Oncogene Tumor-Suppressor Genes Proto-oncogene utled tara gese Samor-auppresr gane Many proto-oncogenes code for growth factors /Deletive nonimenig Normel grewt...
Which type of mutation would not typically convert a proto-oncogene, such as beta- catenin, into an...
Which type of mutation would not typically convert a proto-oncogene, such as beta- catenin, into an oncogene? O gene amplification O chromosomal deletion of the region containing the gene O mutation in the coding sequence that leads to the production of a hyperstable or hyperactive protein O chromosomal rearrangement that leads to overproduction of the normal protein DO 10 11 12 9 10 12 se $1 14 15 16 17 18 -13 14 15 16 17 18 13 19 20...
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:...
please help!! transcription? How could the presence of a hormone in the blood have an effect...
please help!!
transcription? How could the presence of a hormone in the blood have an effect on this structure? 6 points 3. What is an enhancer region and why is it important in the regulation of eukaryotic Contents Cancer Genes that cause cancer are called oncogenes. d. promoter genes. a. operator genes. b. pseudogenes.c 2A mutation in which of the following genes would be LEAST likely lead to a cancer? a. growth hormone gene b. growth hormone receptor gene c....
please answer all 5! thank you! Question 1 1 pts Which of these individuals would be...
please answer all 5! thank you!
Question 1 1 pts Which of these individuals would be considered a 'mutant'? A person with an XO sex chromosome genotype The recessive allele for a straight hairline in humans A population of sunflowers which produce unique, red/orange petals, native to the southeastern tip of Kansas A turtle carrying an allele enabling it to wield a pair of daggers, present in only 0.0001% of the turtle population. Allele is expressed in dominant form prior...
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...
QUESTION 1 A gene that encodes a protein that stimulates progression of the cell cycle is...
QUESTION 1 A gene that encodes a protein that stimulates progression of the cell cycle is known as a proto-oncogene. True False QUESTION 2 Cytokinesis occurs after which stage or phase of the cell cycle? a. G2 b. S c. G0 d. G1 e. M phase QUESTION 3 During cell-cycle checkpoints, protein kinases known as CDKs phosphorylate target proteins only when they associate with a cyclin. True False QUESTION 4 During mitosis, many of the spindle fibers attach to chromosomes...
Review Questions BIOL 260: Chapters 8-10, 13, 19 1. Consider a mutation involving the deletion of...
Review Questions BIOL 260: Chapters 8-10, 13, 19 1. Consider a mutation involving the deletion of either 1, 2, or 3 nucleotides in the DNA of a bacterium. Which of these mutations (ie., deletion of 1, 2, or 3 nucleotides) would likely have the LEAST impact on the organism? Why? Include in your answer a comparison with the other two options to justify your reasoning. Think carefully about the impact each mutation would have on the ultimate protein coded for...
b) Now consider the diagram below. Under each of three scenarios, explain a likely cellular consequence relative to gene expression and protein synthesis outcome, assuming each could lead to a development of cancer. (12 pts) Proto-oncogene DELETION OR POINT MUTATION IN CODING SEQUENCE GENE AMPLIFICATION CHROMOSOME REARRANGEMENT OR DNA- RNA
Cancer and Gene Regulation Why is a cell cycle control system needed for cell division? What happens when cells do NOT respond to the cell cycle control system and divide excessively? Tumor Proto-oncogeno (for protein that stimulates coll division) 6 Y DNA Benign Tumor= Mutation withln a control region of DNA Malignant Tumor Mutated promoter Metastasis Normal growth-stimulating protein in excess Oncogene Tumor-Suppressor Genes Proto-oncogene utled tara gese Samor-auppresr gane Many proto-oncogenes code for growth factors /Deletive nonimenig Normel grewt...
Which type of mutation would not typically convert a proto-oncogene, such as beta- catenin, into an oncogene? O gene amplification O chromosomal deletion of the region containing the gene O mutation in the coding sequence that leads to the production of a hyperstable or hyperactive protein O chromosomal rearrangement that leads to overproduction of the normal protein DO 10 11 12 9 10 12 se $1 14 15 16 17 18 -13 14 15 16 17 18 13 19 20...
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:...
please help!!
transcription? How could the presence of a hormone in the blood have an effect on this structure? 6 points 3. What is an enhancer region and why is it important in the regulation of eukaryotic Contents Cancer Genes that cause cancer are called oncogenes. d. promoter genes. a. operator genes. b. pseudogenes.c 2A mutation in which of the following genes would be LEAST likely lead to a cancer? a. growth hormone gene b. growth hormone receptor gene c....
please answer all 5! thank you!
Question 1 1 pts Which of these individuals would be considered a 'mutant'? A person with an XO sex chromosome genotype The recessive allele for a straight hairline in humans A population of sunflowers which produce unique, red/orange petals, native to the southeastern tip of Kansas A turtle carrying an allele enabling it to wield a pair of daggers, present in only 0.0001% of the turtle population. Allele is expressed in dominant form prior...
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...
Review Questions BIOL 260: Chapters 8-10, 13, 19 1. Consider a mutation involving the deletion of either 1, 2, or 3 nucleotides in the DNA of a bacterium. Which of these mutations (ie., deletion of 1, 2, or 3 nucleotides) would likely have the LEAST impact on the organism? Why? Include in your answer a comparison with the other two options to justify your reasoning. Think carefully about the impact each mutation would have on the ultimate protein coded for...
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