Nucleus
The nucleus is the cell's control center, because it contains DNA
- The nuclear envelope is like the membrane for the nucleus
- the nucleolus is the nucleus inside the nucleus and is also where ribosomes are made
City hall is like the Nucleus because it controls all the cities activies
- The security guard is like the nuclear membrane because it decide what can come in and out of City hall
- The mayor is like the Nucleolus because he is in charge of City hall