Comparing a Cell to a Factory: Answer Key

Comparing a Cell to a Factory: Answer Key Photo credit: Clipart.com


Use this answer key to help you assess students' work on their Compare a Cell to a Factory student sheet.

In the second column of the chart, students should write the name of the organelle that functions most like the factory worker described in the first column. In the third column, they should write a brief description of the function of the organelle in the cell.

Job in the Factory

Cell Organelle

Function of the organelle

Shipping/Receiving Department

Plasma membrane

Regulates what enters and leaves the cell; where cell makes contact with the external environment

Chief Executive Officer (CEO)


Controls all cell activity; determines what proteins will be made

Factory floor


Contains the organelles; site of most cell activity

Assembly line (where workers do their work)

Endoplasmic Reticulum (ER)

Where ribosomes do their work

Workers in the assembly line


Build the proteins

Finishing/packaging department

Golgi apparatus

Prepares proteins for use or export

Maintenance crew


Responsible for breaking down and absorbing materials taken in by the cell

Support beams (walls, ceilings, floors)


Maintains cell shape

Power plant


Transforms one form of energy into another


This teacher sheet is a part of the Cells 2: The Cell as a System lesson.

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