A) autotomy
B) cell lysis
C) apoptosis
D) None of these
Correct Answer: C
Solution :
Programmed Senescence Theory states that ageing is a result of switching on of certain genes and switching off other genes. B-and T-lymphocytes which have the receptors for self antigens, undergo programmed cell death or apoptosis. This process eliminates about 90% of all the B-lymphocytes produced in bone marrow. Autotomy is the breaking off a part of the body by the organism itself. Cell lysis refers to lysis or bursting of a cell by the destruction of the cell membrane.
You need to login to perform this action.
You will be redirected in
3 sec
