ETHC 210 Exam 6

ETHC 210 Exam 6 Liberty University Answers

  1. Which of the following is true about p53?
  2. A tumor is cancerous or malignant if it infiltrates nearby tissue. This infiltration and spreading is called metastasis.
  3. A promising new field of cancer fighting techniques uses the immune system to fight cancer. Two main techniques using the immune system to fight cancer are;
  4. Cancer tumors grow and spread by inducing formation of blood vessels to nourish them. This is called;
  5. Hela cells;
  6. Cancer metastases are difficulty to detect.
  7. Skin damage and skin cancer is caused by ultraviolet light striking DNA and causing thymine dimers or even cutting the DNA. In most cases this causes death of the skin cell. But cancer is uncontrolled cell growth. How can exposure to light cause uncontrolled cell growth when it mostly kills cells? Chose an answer which best answers this question
  8. Which of the following is true about oncogenes.
  9. Gleevec is a drug which helps cure a form of leukemia.
  10. This beneficial mutation is found in about 1% of the general population and it tends to protect them from AIDs.
  11. This beneficial mutation is found in the human population at large and promotes antibody formation.
  12. With regard to DNA repair mechanisms the human body has;
  13. The single amino acid change in hemoglobin which is the basis for sickle cell disease causes;
  14. If a mutation occurs in the gametes before mitosis;
  15. A point mutation that changes a codon specifying an amino acid into a “stop” codon UAA, UAG or UGA is a nonsense mutation.
  16. A single nucleotide point mutation in hemoglobin, and a small mutational change in the collagen molecule and the fact that laminin mutation can cause life shortening or life ending disease suggests that the human body was designed and created because it’s difficult for Darwinian evolution to succeed in the face of such life threatening mutations.
  17. Different genes have different spontaneous mutation rates.
  18. A mutation is an altered DNA sequence in an organism.
  19. A mutation is an altered DNA sequence in an organism.
  20. Which of the following is true about the triplet code?
  21. Splice site mutations can cause mutation by which of the following mechanisms?
  22. Mutation can affect any part of the genome.
  23. The genetic mutation which causes sickle cell disease is a change in one amino acid of hemoglobin and is based on one nucleotide mutational change (point mutation).
  24. HER2 breast cancer affects hundreds of thousands of women each year. A drug called Herceptin has been an effective cure for this type of breast cancer. Herceptin is a;
  25. Which of the following are sources of potential mutation are found in our typical human environments?
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