Nucleus

A membrane-bound organelle containing the cell's genetic material (DNA) organized into chromosomes, controlling cell growth, metabolism, and reproduction.

Key Functions:

• Houses and protects the cell's DNA.
• Controls gene expression and protein synthesis.
• Regulates cell division and growth.
• Site of DNA replication and transcription.

Interacting Systems & Components:

• DNA (contains)
• Chromosome (contains)
• Ribosome (synthesizes RNA for)
• Endoplasmic Reticulum (interacts with for protein synthesis)
• Genetic System (central to)