Which characteristic of cancer cells can be described as "unresponsiveness to feedback mechanisms that control cellular growth in healthy tissue?" Invasive growth Telomerase activity Persistent proliferation Formation of metastases
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Cancer cells exhibit traits called "Hallmarks of Transformation." Which of the following is/are not characteristic of cancer cells? a. Loss of contact inhibition b. Constitutive activity of the caspase cascade c. Loss of tumor suppressor checkpoint activity d. Genomic instability e. None of the above - all are characteristic of cancer cells
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Most cells that have become transformed into cancer cells have which of the following characteristics when compared to normal healthy cells? - Increased growth rate - Less carefully regulated cell division - Lower rates of apoptosis (cell death) - Microenvironmental changes - Genetic alterations
Which of the following is NOT a hallmark of cancer? Resistance to signals that slow cell division or promote death. Ability to stimulate growth of blood vessels to provide nutrients to the rapidly growing tumor. Metastasis, which allows invasion of local tissues. Ability of cells to inhibit cell division when conditions are not optimal. Cell division in the absence of growth signals.
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