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Questions and Answers
What primary structural component of the cell membrane contributes to its fluidity?
What primary structural component of the cell membrane contributes to its fluidity?
- Carbohydrates
- Proteins
- Cholesterol
- Phospholipids (correct)
Which component of the cell membrane is primarily responsible for selective permeability?
Which component of the cell membrane is primarily responsible for selective permeability?
- Glycoproteins
- Sterols
- Phospholipid bilayer
- Protein channels (correct)
How does the presence of cholesterol within the cell membrane affect its properties?
How does the presence of cholesterol within the cell membrane affect its properties?
- Enhances membrane fluidity at low temperatures (correct)
- Completely prevents the diffusion of proteins
- Increases membrane rigidity
- Decreases the membrane permeability to water
Carbohydrates attached to proteins in the cell membrane primarily function to:
Carbohydrates attached to proteins in the cell membrane primarily function to:
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What is the significance of the amphipathic nature of phospholipids in the cell membrane?
What is the significance of the amphipathic nature of phospholipids in the cell membrane?
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