Programmed cell death is seen in?: (A) Cytolysis, (B) Apoptosis, (C) Necrosis, (D) Proptosis
Answer is B. Ans. is 'b' i.e., Apoptosis o Programmed cell death is apoptosiso Apoptosis is pathway of cell death that is induced by a tightly regulated intracellular program in which cell destined to die activate enzymes that degrade the cell's own nuclear DNA, and nuclear & cytoplasmic proteins. Apoptosis generally involves single cells in contrast to necrosis that usually involve a group of cells. Apoptosis may be of two types -a) Physiological (most of the time) - Programmed cell death.b) Pathological - Unprogrammed cell death.