This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pathology
[{'content': 'which of the following is not a theory of mechanism of AGING ? \nSelect and explain. \nA. free radicle theory, B. crosslinking the collagen theory, C. telomerase shoening theroy, D. lysosomal degeneration theory', 'role': 'user'}, {'content': 'Answer: D \nExplanation: MECHANISMS OF AGING Theory Principle DNA & Genetic Theory -Aging is predetermined by genetic programmng. Neuroendocrine Theory -Loss of hypothalamic regulation and cell sensitivity to ormones. Free Radical Theory Cellular damage by production of metabolic free adicals. Membrane Theory -Decline in cell efficiency loss of lipid in cell membane. Hayflick Limit Theory Limitation of cell division. Mitochondial Decline Theory -Dysfunction of mitochondria in cells. Cross-Linking Theory Impairment of protein functions glycosylation. ref : robbins 10th ed', 'role': 'assistant'}]