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11. DISCUSS THE CELLULAR CHANGES THAT MAY LEA CANCER RISK FACTORS. EXERCISE 3-12 Label each of the following statements as true (T) or false (F 1. Cancers result from genetic mutations. 2. Slower-growing cells are more likely to develop into cancers. 3. The immune system often kills cancerous cells. 4. Tumors that do not spread to other tissues are called cancers.
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Answer #1
  1. Cancer results from genetic mutations (True as come genes are cancer-causing called oncogenes)
  2. Slower growing cells are more likely to develop into cancerous cells (False cancerous cells are fast multiplying cells)
  3. The immune system often kills cancerous cells. (True As some cells of the immune system recognize cancer cells as abnormal so they kill them)
  4. Tumors that don’t spread to other tissues are called cancerous (False they are not malignant they are benign and hence not cancerous)
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