According to the "random events" theory, as spontaneous or externally caused mutations accumulate, __________.
A) cell repair becomes more efficient
B) abnormal cancerous cells are often produced
C) cell replacement becomes more efficient
D) telomeres lengthen, protecting the aging cell
Correct Answer:
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Q9: The strongest evidence for _ comes from
Q11: According to the "random events" theory of
Q14: An enzyme called telomerase _.
A) causes cells
Q17: In some species,_ is/are associated with longer
Q19: Nora's grandfather lived to be 87,and her
Q20: Age-related declines in hearing _.
A) are more
Q24: What was discovered when the mean ages
Q26: Atherosclerosis typically develops _.
A) during middle or
Q27: T cells _.
A) secrete antibodies that multiply
Q30: The immune response is the combined work
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