Cell Membranes and Transport Worksheet
Explore the structure and function of cell membranes and various transport mechanisms across them.
Includes
Standards
Topics
Cell Membranes and Transport
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Date:
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Read each question carefully and answer to the best of your ability. Show all your work for calculations.
1. Which component of the cell membrane is primarily responsible for its selective permeability?
Carbohydrates
Proteins
Phospholipid bilayer
Cholesterol
2. Which type of transport requires energy to move substances against their concentration gradient?
Simple diffusion
Facilitated diffusion
Osmosis
Active transport
3. The movement of water across a selectively permeable membrane from a region of high water concentration to a region of low water concentration is called .
4. Proteins embedded within the cell membrane that assist in the transport of specific substances are known as proteins.
5. Diffusion is a process that requires ATP.
True
False
6. The cell membrane is a rigid structure that prevents any movement of substances.
True
False
7. Briefly describe the fluid mosaic model of the cell membrane.
8. Explain the difference between passive transport and active transport, providing an example of each.
9. Examine the diagram of the cell membrane below and answer the questions that follow.
a) Identify the main components labeled in the diagram.
b) Based on the diagram, explain how the structure of the cell membrane contributes to its function.
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