Which of the following is NOT evidence that smoking causes lung cancer?
A) Epidemiological rates of lung cancer dramatically increased after more people started to smoke.
B) Exposure of lung cells to the active carcinogen found in cigarettes causes mutations in p53.
C) Mutations in p53 are found in the same codons in patients with lung cancer who smoke as in cultured cells treated with benzo(a) pyrene.
D) Epidemiological rates of lung cancer in women increased years after the rates in men increased.
Correct Answer:
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Q16: Which of the following is a characteristic
Q17: During metastasis,cells may undergo an epithelial-to-mesenchymal transition
Q18: Telomerase:
A)induces apoptosis.
B)contains reverse transcriptase.
C)is inactivated by Bcl-2.
D)is
Q19: A bone tumor sample appears to be
Q20: 2-hydroxyglutarate is produced in cancer cells:
A)because cancer
Q22: What are the differences and similarities between
Q23: What renders erbB and her2 oncogenic? What
Q24: Which of the following is a proto-oncogene?
A)APC
B)myc
C)ptc1
D)Rb
Q25: Ras is a:
A)growth factor.
B)kinase.
C)phosphatase.
D)none of the above
Q26: Burkitt's lymphoma results from the overproduction of:
A)Fos.
B)Myc.
C)Ras.
D)Src.
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