Organelles in Eukaryotic Cells 1 Organelles in Eukaryotic Cells What are the functions of different organelles in a cell? Why? The cell is the basic unit and building block of all living things. Organisms rely on their cells to perform all necessary functions of life. Certain functions are carried out within different structures of the cell. These structures are called organelles. Model 1 ? How Is a Cell Like a Factory? Part of factory Cell organelle Function Control room (E) Nucleus Contains and protects genetic material (DNA) Factory manager DNA/chromo- somes Information for making proteins Assembly workers (F) Ribosomes Make proteins Production line (B) Endoplasmic reticulum (ER) Transports and finishes proteins and other biologi- cal molecules