What is an Analogy?Def. …a way of comparing two things that are alike in some basic way.

Example: Life is like a roller coaster, it is full of ups and downs, screams and laughs.

Cell City

Building a Cell Analogy

How is a cell like a city?For our sample analogy, we’re going to compare a cell to a city. We’ll look at the organelles and compare them to the parts of a city.

Cell WallThe cell wall is like a wall around the city. It keeps in what is supposed to be there, and out what isn’t.

Cell MembraneA cell membrane is like the city limits. These are more flexible boundaries that mark off the borders of your town. Police and border guards restrict who can and can’t enter.

NucleusCity hall is like the nucleus. All the important decisions and plans for running and building the town are made here.

Ribosome– Builders

Ribosomes build proteins like carpenters and architects from the builders, engineers, and architects build the structures that support our cities.

Lysosomes Like lysosomes, the waste plants of a city dispose of used up and damaged materials and wastes.

Endoplasmic Reticulum

The ER is like the streets of a city that provide the pathways for materials to move to other parts of the cell.

Golgi Complex

Like a town’s post office, the Golgi complex packages and distributes proteins.

Vacuole

A vacuole is like a water tower. It encloses and stores the water and other liquids the plant needs to survive.

ChloroplastsThe chloroplast is like a donut shop. It makes the sugars that the cell needs to carry out its functions.

Mitochondria

The Mitochondria is like a power plant that produces the energy that the town needs.

Your Cell Analogy

• Create a PowerPoint presentation that expresses your analogy for the cell. You may do an animal or plant cell for your analogy.• The analogy must include the basic

organelles and should be a minimum of 10 slides, a title slide and one for each organelle.