How do cancer cells get the oxygen and nutrients they require to continuously grow? Multiple choice question. They move around the body to get what they need to survive. Tumors cause blood vessels to grow by releasing growth factors. Cancer cells can produce their own circulation network.
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Cancer cells are able to confer a growth advantage in many ways. Which of the following mechanisms do cancer cells use to grow uncontrollably? 1. They have the ability to escape the immune system. 2, They activate apoptosis. 3. They increase angiogenesis (production of new blood vessels). 4. They increase the number of passenger mutations. A. 1, 2 and 3 B. 1 and 3 C. 2 and 4 D. 4 only E. All of 1, 2, 3 and 4 are correct.
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Why are cancer cells harmful? Select all statements that apply. A. They absorb nutrients needed by other cells. B. They block nerve connections. C. They prevent organs from functioning properly. D. They stop cell growth and division.
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Cancer cells are said to be metastatic when they a. begin to divide uncontrollably. b. invade healthy tissue. c. migrate to other parts of the body. d. cause mutations in other healthy cells. e. do all of the above.
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