A) random mutation in DNA of somatic cells
B) increased cross-linkage of collagen and other proteins
C) cumulative result of damage to tissues by free radicals
D) All of the above
Correct Answer: C
Solution :
The theory of ageing is due to all of the above reasons, ie, (i)Random mutation in DNA of somatic cells. (ii)Increased cross-linkage of collagen and other proteins. (iii)Cumulative result of damage to tissue by free radicals.
You need to login to perform this action.
You will be redirected in
3 sec
