Oct 23, - Transcript of Biology Cell Analogy- House. Cell Analogy By Megan Charland The nucleus contains all of the DNA of a cell. It has coded intructions for making protein and other molecules. The nucleus contains the nuclear envelope chromatin, chromosomes, and the nucleolus. As you know cell is basic structural and functional unit of life. All organisms from bacteria to blue whale are made of cells. Basically there are two types of cells.