Which of the following statements about cancer is FALSE?
A) Viruses cause some cancers.
B) Tobacco use is responsible for more than 20% of all cancer deaths.
C) A mutation in even a single cancer-critical gene is sufficient to convert a normal cell into a cancer cell.
D) Chemical carcinogens cause cancer by changing the nucleotide sequence of DNA.
Correct Answer:
Verified
Q16: At desmosomes, cadherin molecules are connected to
A)actin
Q17: Which of the following statements about collagen
Q18: Which of the following statements about plant
Q19: Which of the following molecules is NOT
Q20: Hemidesmosomes are important for
A)tubulation of epithelial sheets.
B)linkages
Q22: When a terminally differentiated cell in an
Q23: An adult hemopoietic stem cell found in
Q24: A malignant tumor is more dangerous than
Q25: Which of the following statements about tumor
Q26: APC is a tumor suppressor and acts
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