The Cell Membrane: Gatekeeper of the Cell
This worksheet covers the structure and function of the cell membrane, including its role in regulating what enters and exits the cell, for Grade 6 science students.
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The Cell Membrane: Gatekeeper of the Cell
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Read each question carefully and answer to the best of your ability. Use the provided image to help you answer some questions.
Observe the diagram of the cell membrane below.
1. What is the main function of the cell membrane?
To produce energy for the cell
To control what enters and leaves the cell
To store genetic information
To give the cell its rigid shape
2. The cell membrane is made up of a double layer of which molecules?
Proteins
Carbohydrates
Lipids
Nucleic acids
3. The cell membrane is also known as the plasma .
4. The property of the cell membrane that allows some substances to pass through while blocking others is called permeability.
5. All cells have a cell membrane.
True
False
6. The cell membrane is a rigid and unmoving structure.
True
False
7. Briefly explain why the cell membrane is often compared to a 'gatekeeper'.
8. Name two types of substances that are able to pass through the cell membrane easily.