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- BPA is a chemical compound that has historically been used in themanufacture of plastic products. However, cells often mistake BPAcompounds for hormones that accelerate the cell cycle. Because ofthis, BPA is associated with an increased risk of certain cancers. Question: Why do you think that very small concentrations of BPA mighthave a large effect on the cell?Which of the following would improve an individual's ability to cancer while aging?: a. decreases DNA repair accuracy during mitosisb. makes him smaller (e.g., fewer total cells)c. Increase the rate of mitosisd. increases his number of copies of p53e. all of the abovef. none of the aboveWith regard to cancer cells, which of the following statementsare true?A. Cancer cells are clonal, which means they are derived from asingle mutant cell.B. To become cancerous, cells usually accumulate multiplegenetic changes that eventually result in uncontrolledgrowth.C. Most cancers are caused by oncogenic viruses.D. Cancer cells have lost the ability to properly regulate celldivision.
- One difference between cancer cells and normal cells is thatcancer cells(A) are unable to synthesize DNA.(B) are arrested at the S phase of the cell cycle.(C) continue to divide even when they are tightly packedtogether.(D) cannot function properly because they are affectedby density-dependent inhibition.As a result of lost cell cycle control, a cell may a. immediately die b. continously divide to form a tumor c. prematurely stop dividing d. after itself into a different cell typeExplain in your own words why cancer is often referred to as a disease of the cell cycle.
- In experiment of importance of cell cycle control, what does your reults indicate about cell cylce control? suppose a person developed a mutation in a somatic cell diminishes the performance of the body's natural cell cycle control proteins. this mutation resulted in cancer, but was effectively treated with cocktail of cancer-fighting techniques. is it possible for this person's future children to inherit this cancer-causing mutation? Be specific when you are explain why or why not.Suppose a person developed a mutation in a somatic cell which diminishes the performance of the body’s natural cell cycle control proteins. This mutation resulted in cancer but was effectively treated with a cocktail of cancer-fighting drugs. Is it possible for this person’s future children to inherit this cancer-causing mutation? Be specific when you explain why or why not.Chemotherapy utilizes chemicals to interrupt various parts of the cell cycle, targeting rapidly growing cells. Taxol® is an example of a drug that prevents mitosis phase from occurring. How this Taxol useful as a cancer treatment and how might targeting rapidly growing cells explain common chemotherapy side effects such as hair loss and nausea? A. Taxol will stop the tumor from growing, but unfortunately it also impacts other fast-growing cells (like hair follicles and stomach lining cells), so normal cells get damaged as well. B. Taxol will stop the tumor from continuing to divide, but unfortunately it also impacts other readily dividing cells (like hair follicles and stomach lining cells), so normal cells get damaged as well. C. Taxol will stop the tumor from copying DNA, but unfortunately it also impacts DNA replication in other cells (like hair follicles and stomach lining cells), so normal cells don't get to continue through…
- Suppose a person developed a mutation in a somatic cell that diminishes the performance of the body’s natural cell cycle control proteins. This mutation resulted in cancer, but was effectively treated with a cocktail of cancer-fighting techniques. Is it possible for this person’s future children to inherit this cancer-causing mutation? Be specific when you explain why or why not.Which of the following would improve an individual's ability to avoid cancer while aging?: a. decreases DNA repair accuracy during mitosisb. makes him smaller (e.g., fewer total cells)c. Increase the rate of mitosisd. increases his number of copies of p53e. all of the abovef. none of the aboveScientists are able to isolate cells in various phases of the cell cycle. During an experiment in which Dr. Patrick McGroyn is causing cultured tumor cells to go through mitotic cell division, he isolates a group of cells that contain one and a half times more DNA than cells isolated in the G1 phase have. What phase must these cells be in? How do you know?
