The government supports the city and shapes it with the law, like the cytoskeleton supports and shapes the cell.

The bank stores and protects the community's money, like the nucleus stores and protects DNA.

The hospital aids in the production of humans, like the endoplasmic reticulum aids in the production of proteins and lipids.

The mall links stores together to make a mall, like a ribosome links amino acids together to form proteins.

The post office packages and transports deliveries, like the Golgi apparatus modifies, packages, and transports proteins.

The airport transports specific people and things, like vesicles isolate and transport specific molecules

The power plant generates energy for the city, like a mitochondria generates energy for the cell.

The city storage stores products temporarily, like the vacuole temporarily stores materials.

The goodwill recycles worn out clothes and parts, like the lysosomes digest and recycle worn out parts.

A dam divides the city from the lake, like a centriole divides DNA during a cell division.

The china wall supports the people in China, like the cell walls shape and support individual cells and entire organisms.

The windmills convert solar energy into power like the chloroplast converts solar energy into chemical energy through photosynthesis