Final answer:
DNA is stored in the nucleus to protect it, provide an optimal environment for cellular processes, and regulate gene expression.
Step-by-step explanation:
DNA is stored in the nucleus of eukaryotic cells because it offers several benefits. Firstly, it protects the DNA from damage caused by various cellular processes and external factors. Secondly, the nucleus provides a compartmentalized environment for DNA replication, transcription, and other essential cellular processes. Lastly, keeping the DNA confined to the nucleus allows for more efficient regulation and control of gene expression.
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