According to the random events view, 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
Question 2
According to the random events theory of biological aging, __________.
A) DNA in body cells is gradually damaged through mutations
B) as time goes on, the human body wears out from repeated use
C) aging genes control the deterioration of body cells
D) environmental factors have little impact on human aging
Close-up view of Pluto's mountains, frozen plains and hazes
The explosion of the Maine in Havana harbor, killing 260 men, caused much speculation in the newspap
Marina Abramović, The House with the Ocean View—Nov. 22 9:54 am, 2002. Living installation.
Telescopic View of the Lunar Surface
Random distribution of dandelions