Biology

The correct answer is B. Store and protect DNA.

The nucleus is the central organelle in eukaryotic cells and is responsible for storing and protecting the genetic material, which is in the form of DNA (deoxyribonucleic acid). The DNA contains the instructions for cellular processes and inheritance. The nucleus also regulates gene expression by controlling the transcription of DNA into RNA and plays a role in DNA replication.

Option A, generating energy for the cell, is primarily the function of mitochondria through cellular respiration, not the nucleus.

Option C, controlling cell division, involves...