Programmed cell death is...(select all that apply) Group of answer choices a mechanism to protect populations of cells against uncontrolled growth always is activated and prevents cancer known as endocytosis known as apoptosis known as cytokinesis
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Programmed cell death is...(select all that apply)
a mechanism to protect populations of cells against uncontrolled growth
always is activated and prevents cancer
known as endocytosis
known as apoptosis
known as cytokinesis
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- In your own words, explain how cancer cells differ from normal cells in regard to the following: Cell to cell communicationShown here are two HeLa cancer cells that are just completing cytokinesis. Explain how the cell division of cancer cellslike these is misregulated. Identify genetic and other changesthat might have caused these cells to escape normal cell cycleregulationWhich is true for cancer cells: 1) Cell death occurs after a determined number of cell divisions 2) Contact with other cells reduces chance of cell division 3) Cell division occurs in the presence of stop signals.
- Which of the following is NOT an example of fail-safe mechanisms that prevent the irregular cell divisions characteristic of cancer? a.Shortening of telomeres b.Cell division limit c.Mutation in a tumor suppressor gene d.Triggered cell deathDiscuss the behaviors of cancer cells that maydifferentiate their growth from that of normal cells.In your own words, explain how cancer cells differ from normal cells in regard to the following: Apoptosis
- With 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.Which of the following cell-types are most likely to secrete Matrix Metalloproteases (MMPs) that remodel ECM near tumor (select all that apply)? A. Carcinoma Cells B. Mast cells C. Normal Epithelial Cells D. Macrophages E. FibroblastsFor the cell cycle to progress normally, the protein ________ must be destroyed by____. Select one: a. cyclin, a protease b. nuclear membrane, phosphorylation c. cdk, a protease d. cyclin, apoptosis e. cdk, apoptosis
- Cancer Cell Cycle Describe the cell cycle is affect and support the saying “Cancer is the cell cycle disease” using the terms belowCheck pointsApoptosisMitosisFeedback FailureWhich of these is a characteristic of cancer cells? a. They do not exhibit contact inhibition. b. They lack specialization. c. They have abnormal chromosomes. d. They fail to undergo apoptosis. e. All of these are correct.Some types of cancers are treated with surgery, chemotherapy, stem cell replacement or radiation, similar to ultraviolet light. Why might it be beneficial to irradiate cancer cells? Choose the Best answer. A. it kills off all the cancer cells. B. it forces all cancer cells into G0 C. it will halt cell division and possibly be forced into apoptosis D. it could kill off the cancer cells, halt cell division or possibly force the cell into apoptosis