Question

what is ageing? why do cells die?​

Answer 1

Answer:

Explanation:Programmed cell death happens naturally as a result of a cascade of signals within the cell itself. The most common form of programmed cell death, apoptosis, plays an important role in population control and prevents massive cell growth which could lead to a possible tumor

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Answer 2

Answer:

Programmed cell death happens naturally as a result of a cascade of signals within the cell itself. The most common form of programmed cell death, apoptosis, plays an important role in population control and prevents massive cell growth which could lead to a possible tumor.