P53 is a tumor suppressor protein. The protein is present in the cell at all times but is activated by protein kinases that are, in turned activated by DNA damage. What would be the result of a mutation of the P 53 gene in cell that resulted in a form of P53 that was permanently active? Group of answer choices A. the cell cycle would be inhibited in all cells in a tumor if it forms B. the cell cycle would be inhibited C. the cell would form a tumor D. the cell has a higher probability of forming a tumor E. the cell cycle of all cells in the body would be inhibited

P53 is a tumor suppressor protein. The protein is present in the cell at all times but is activated by protein kinases that are, in turned activated by DNA damage. What would be the result of a mutation of the P 53 gene in cell that resulted in a form of P53 that was permanently active? Group of answer choices A. the cell cycle would be inhibited in all cells in a tumor if it forms B. the cell cycle would be inhibited C. the cell would form a tumor D. the cell has a higher probability of forming a tumor E. the cell cycle of all cells in the body would be inhibited

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter12: Genes And Cancer

Section12.10: Genomics, Epigenetics,and Cancer

Problem 2GR: Another model, the random model, proposes that any cell in a malignant tumor has the potential to...

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Discuss the complete cell cycle in a human cell, mitosis and meiosis, and the regulatory components (i.e. the proteins associated with cellular checkpoints) of the cell cycle. Tumor growth results when the cell cycle checkpoints are ignored. Give an example of how tumor growth could result from either a loss-of-function or a gain-of-function mutation.
What is the most likely outcome is we lose the tumor suppressor proteins, cyclin- dependent kinase inhibitors. Select one: o a. Cyclin-cylin dependent kinases will phosphorylate retinoblastoma protein and cell- cycle will not proceed. o b. Cyclin-cylin dependent kinase complex will not phosphorylate retinoblastoma protein and cell-cycle will not proceed. o c. Cyclin-cylin dependent kinase complex will not phosphorylate retinoblastoma protein and cell-cycle will proceed. o d. Cyclin-cylin dependent kinases will phosphorylate retinoblastoma protein and cell- cycle will proceed.
Which of the following describes the most likely property of cancer cells, other than un- controllable division? A inability of chromosomes to align during the metaphase B с D alteration of the cell cycle sequence inability to undergo apoptosis inability to form spindle fibers
In your own words, explain how cancer cells differ from normal cells in regard to the following: Molecular controls of the cell cycle (include Cdk and Cdk/cyclin complexes, p53 gene/protein, Rb gene/protein in response)
The diagram shows the relative activity of a proto-oncogene and a tumor supressor gene in a normal cell, as well as the activity in four other cells. Normal cell A в D tumor suppressor gene proto-oncogene Which of these cells would be expected to be cancer cells? cell B cell D cell C cell A
Tumor growth rate is dependent on which of the following factors? A. B. C. D. Quantity of actively dividing cells Type of malignancy Staging at time of diagnosis Mitotic phase of the cell cycle
P53 is a tumor suppressors protein. The protein is present in the cell at all times but is activated by protein kinases that are, in turned activated by DNA damage. A mutation of the P 53 gene in cell results in a form of P53 that is permanently active. What would happen to the mutant version of the P53 gene? Group of answer choices A. it would spread to neighboring cells but not very far B. it would be found in tumor cells only C. it would take over the world and make us all do its bidding D. it would only be found in the original cell in which the mutation occurred E. it would spread to all cells in the body
Question 10 Review Concept 12.3 Cell Cycle Regulation. Match the term and its description. Each term can only be used once. The control of the sequential events of the cell cycle is [Choose ) termed as Where the cell cycle stops until a go-ahead signal is received [ Choose ] Crowded cells will stop dividing because of this mechanism [ Choose | called The spread of cancer cells to other parts of the body, where [ Choose] they may form additional tumors is called >
p53 gene, as is the Rb gene, is a tumor suppressor gene. p53 protein binds to DNA leading to the simulation of p21 that work together with cdk2. When p21 is defective and cannot joined to cdk2 the cell cannot pass through to the next stage of cell division. Mutated p53 cannot bind to DNA in an effective way, and therefore the p21 protein is not available to act as the 'stop signal' for cell division. Thus cells divide uncontrollably, and form tumors. Hi, can you please elaborate on this: based on the info above, what is the relationship between genetics and environment in the development of these type of cancer. Which factor (genetics or environment) is playing a larger role in the generation of these types of cancers?
Protein N, normally inactivates a tumor suppressor protein. Consider a cell with a mutation in one allele such that protein N is nonfunctional, while the other allele of gene N is wild-type. Which of the following is true for this cell? Gene N is a tumor suppressor gene, and the phenotype of the cell is not transformed. Gene N is a proto-oncogene, and the phenotype of the cell is transformed. Gene N is a tumor suppressor gene, and the phenotype of the cell is transformed. Gene N is a proto-oncogene, and the phenotype of the cell is not transformed.
Which of the following is least likely to result in the formation of a cancerous cell? A Dysfunction results in the permanent activation of a cell division pathway in the absence of the appropriate ligand. B с D Separation of chromatids during mitosis occurs without all centromeres being attached to spindle fibers from both poles. A dysfunction in a cell cycle checkpoint prevents a cell from entering the S phase. A dysfunction causes the inability to produce cancer-suppressing proteins.
What is a primary function of tumor suppressor genes?a. stop all cells from dividingb. stop certain cells from dividingc. help oncogenes produce oncoproteinsd. allow the cell to skip certain phases of the cellcycle