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Life Sciences & Medicine

If a cell experiences irreparable DNA damage during replication, which consequence follows due to caspase activation?

A)Increased DNA repair enzyme production
B)Enhanced cell cycle progression rate
C)Upregulation of growth factor signaling
D)Initiation of programmed cell death

💡 Explanation

Caspase activation triggers a cascade of proteolytic events, leading to apoptosis, because these enzymes dismantle cellular components in a controlled manner, therefore programmed cell death occurs, rather than uncontrolled cell lysis, which could harm surrounding tissues.

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