Membrane Structure and Function Worksheet
Explore the structure and function of cell membranes with this Grade 10 science worksheet, covering key components and transport mechanisms.
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Membrane Structure and Function
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Read each question carefully and provide your best answer. Refer to your knowledge of cell membrane structure and function.
1. Which of the following best describes the primary function of the cell membrane?
To produce energy for the cell.
To store genetic information.
To regulate the passage of substances into and out of the cell.
To provide structural support for the cell.
2. The 'fluid mosaic model' describes the cell membrane as:
A rigid, static structure.
A phospholipid bilayer with embedded proteins that can move laterally.
A solid layer of proteins.
Primarily composed of carbohydrates.
3. The cell membrane is primarily composed of a bilayer.
4. are embedded within or extend through the cell membrane, facilitating transport and communication.
5. Label the following components of the cell membrane in the diagram below:
A:
B:
C:
D:
6. Briefly explain the difference between passive transport and active transport across the cell membrane.
7. Oxygen and carbon dioxide can easily pass through the cell membrane via simple diffusion.
True
False
8. Facilitated diffusion requires energy in the form of ATP.
True
False
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