EBK WHAT IS LIFE? A GUIDE TO BIOLOGY
4th Edition
ISBN: 9781319159153
Author: PHELAN
Publisher: VST
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Chapter 8, Problem 5SA
Summary Introduction
To review:
The ways in which cancer cells differ from typical cells, and why the properties of cancer cells are not the direct cause of death in a person with cancer.
Introduction:
Cancerous cells are those that divide uncontrollably due to the failure of the normal control mechanisms for cell division.
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Describe how cancer cells differ from non-cancer cells.
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Chapter 8 Solutions
EBK WHAT IS LIFE? A GUIDE TO BIOLOGY
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- T/F: Only a small fraction of cancer cells successfully metastasize. why is it false or why is it true.arrow_forwardCancer is a complicated series of diseases characterized by over-proliferation of cells within a tissue. While in some instances the primary tumor is the ultimate cause of death, in many cases the primary tumor metastasizes, or moves, through the lymph system to invade other tissues. The migration of tumor cells requires changes in the adhesion properties of the cell that allow it to move and invade more readily. There are several molecules involved in cell-to-cell connections and cellular architecture: laminins, matrix metalloproteinases, cadherins, and integrins. While mutations in genes that control the cell cycle or recognize DNA damage are the causes of tumor cell formation, tumor cell spread to other tissues may be caused by mutations in the genes the code for these extracellular proteins. The loss of cellular connections, cellular identification and signaling, and tissue structure may lead to the release of expanding tumor cells into the circulatory and lymphatic systems. Once…arrow_forwardExplain the property that prevents normal cells from becoming cancerous.arrow_forward
- Differentiate among the terms cancer, tumor, and neoplasm. Note. There is a little confusion about the terms "tumor" and "neoplasm". Think about cancers such as leukemia and other blood cell cancers. Are they tumors?arrow_forwardWhich 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.arrow_forwardCompare the characteristics of highly proliferating normal cells (including cells of the hair follicles, gastrointestinal tract, and bone marrow) with the characteristics of highly proliferating cancerous cellsarrow_forward
- Reports in the media about stem cells usually state that they “turn into any kind of cell in the body.” Explain why this statement is only partially correct, including a description of how a stem cell maintains the population of stem cells.arrow_forwardExplain what is fundamental aberrations in all cancer cells ?arrow_forwardWhen some cancer cells produce growth factors that stimulate their own division leading to continuous self- stimulation for cell division it is referred to as a) TNF tumor necrosis factor b) AGS autocrine growth stimulationarrow_forward
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