Cell proliferation in culture is normally limited by
A) cytophagy.
B) quorum sensing.
C) contact inhibition.
D) competition.
E) nutrient limitation.
Correct Answer:
Verified
Q9: In sporadic (nonhereditary)cancers,mutations occur in _ cells.
A)germ
B)somatic
C)undifferentiated
D)mammary
E)T
Q10: _ play a pivotal role in programmed
Q11: Apoptosis is
A)rapid cell division.
B)caused by proto-oncogenes.
C)the change
Q12: Which of the following statements is not
Q13: v-onc genes are found in
A)vital cells.
B)viral cells.
C)cancer-causing
Q15: Mutations in a normal growth-stimulating gene are
Q16: Cancer may arise as a result of
A)mutations
Q17: In retroviruses,the pol gene product is a(n)
A)DNA
Q18: Small DNA tumor viruses such as SV40
Q19: Agents that can induce cancer through mutagenesis
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