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- What is the difference between a proto-oncogene and a tumor-suppressor gene?Why are oncogenes usually dominant in their action, whereas tumor-suppressor genes are recessive?Which of the following demonstrates the link between oncogenes and cancer? a.Oncogenes do not have mutations that increase the activity or number of molecules that stimulate mitosis. b.Oncogenes produce molecules that inhibit mitosis. c.They are genes that transform tumor cells into normal cells. d.The mutations in oncogenes increase the activity or number of molecules that stimulate mitosis, leading to irregular cell division.
- Which of the following demonstrates the link between oncogenes and cancer? The mutations in oncogenes increase the activity or number of molecules that stimulate mitosis, leading to irregular cell division. Oncogenes produce molecules that inhibit mitosis. Oncogenes do not have mutations that increase the activity or number of molecules that stimulate mitosis. Oncogenes are genes that transform tumor cells into normal cells.What is a tumor suppressor? What is an oncogene?Is PI3K a proto-oncogene or a tumor suppressor gene? Why?
- What is the difference in an oncogene and tumor suppressor gene and how can each potentially lead to cancer?How do oncogenes differ from tumor suppressor genes?What is the difference between a proto-oncogene and an oncogene? a. oncogenes cause benign tumors (polyps), proto-oncogenes cause malignant tumors b. oncogenes transform cells to hyperproliferation, proto-oncogenes have a normal cellular role c. oncogenes have undergone post-translational modification, proto-oncogenes have not d. oncogenes have undergone intron splicing, proto-oncogenes have not
- If you were to design an experiment to get p53 back into cancer cells, how would you go about that work? How would you direct p53 into the nucleus of cancer cells without directing it to the nucleus of healthy cells? As an overabundance of p53 in healthy cells would cause problems. Could someone in depth answer these questions for me and explain them cellularly.What role Proto-oncogenes play ?Which of the following mutations is MOST likely to cause cancer? A) a mutation that causes a cyclin gene to be expressed at all times during the cell cycle B) a mutation that causes an oncogene to be turned off so that no protein is made C) a mutation that causes a Cdk gene to be turned off so that no protein is made D) a mutation that causes a tumor suppressor gene to be over-expressed