Author Question: Before the AIDS epidemic in Africa, Zimbabweans had a life expectancy of 61 yrs. But by 2000, this ... (Read 141 times)

newyorker26 · **on:** Jul 10, 2018

Before the AIDS epidemic in Africa, Zimbabweans had a life expectancy of 61 yrs. But by 2000, this figure dropped to

a. 15.
b. 45.
c. 60.
d. 70.
e. 85.

Question 2

One hypothesis that proposes to explain senescence notes that cells that divide throughout the life course have shortened DNA sequences at the end of the chromosomes. This is referred to as the ______ hypothesis

a. hadromere
b. carsonomere
c. telomere
d. intron
e. grandmother