Cell Membranes and Transport Worksheet
An 11th-grade science worksheet covering the structure and function of cell membranes and various transport mechanisms.
Includes
Standards
Topics
Cell Membranes and Transport
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Date:
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Read each question carefully and provide your best answer. Diagrams may be provided to assist you.
1. Which component of the cell membrane is primarily responsible for its selective permeability?
Glycoproteins
Cholesterol
Phospholipid bilayer
Integral proteins
2. Which type of transport requires energy (ATP) to move substances across the cell membrane?
Facilitated diffusion
Osmosis
Simple diffusion
Active transport
3. The fluid mosaic model describes the cell membrane as a mosaic of and that are constantly moving.
4. When a cell is placed in a hypertonic solution, water will move the cell, causing it to .
5. Describe the primary function of cholesterol in the animal cell membrane.
6. Examine the diagram of the cell membrane below and answer the questions that follow.
a) Identify the labeled components A and B.
b) Explain the role of component A in membrane function.
7. Facilitated diffusion allows substances to move against their concentration gradient with the help of transport proteins.
True
False
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