A cell membrane is like a toll booth because it allows a passage through the city border just like the membrane allows passage throughout the cell itself.

Cytoplasm is like roads because it fills the access space in the city just like the cytoplasm fills the access interior in the cell.

A nucleus is like a city hall because it stores all the information on the city like the nucleus stores the DNA or RNA for the cell.

A cytoskeleton is like a mayor because they help support the city just like how the cytoskeleton supports the structure of the cell.

Smooth ER is like a recycling company because it's removes unnecessary waste and produces new products like the smooth ER removes toxins and makes lipids in the cell.

Rough ER is like a take-out restaurant because it makes protein or food and distributes them to the rest of the city like how the rough ER aids in the transport of proteins in the cell.

Ribosome is like a chef because they make foods for the people of the city like the ribosome makes proteins for the cell.

Golgi bodies are like packing companies because they sort and deliver products to the rest of the city like the Golgi body sorts and delivers proteins.

Vesicles are like factories because they help divide and distribute products to the city like how the vesicles divides material for the cell.

Mitochondria is like solar and wind energy because it provides energy for the city to use like how the mitochondria supplies energy for the cell.

A vacuole is like a storage company because it stores materials for the people in the city like the vacuole stores materials or proteins for the cell.

Cell walls are like the walls of a house or building in the city like the cell wall protects the cell from damage.

Chloroplast is like air conditioning because it takes energy to make the cool air for the building or house just like it takes energy to make the food for the cell.