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Questions and Answers
What is the main function of the cell membrane?
What is the main function of the cell membrane?
- Facilitation of carbohydrate synthesis
- Coordination of extracellular changes
- Maintenance of cell shape and attachment to cytoskeleton (correct)
- Regulation of cellular respiration
Which component makes up the highest percentage of the cell membrane?
Which component makes up the highest percentage of the cell membrane?
- Proteins
- Lipids (correct)
- Carbohydrates
- Cholesterol
What is the role of cholesterol in maintaining cell membrane fluidity?
What is the role of cholesterol in maintaining cell membrane fluidity?
- Increasing saturation of fatty acids
- Preventing solidification of phospholipids during low temperatures (correct)
- Promoting transverse diffusion of lipids
- Enhancing lateral movement of proteins
Which kind of movement is essential for the effective functioning of the cell membrane?
Which kind of movement is essential for the effective functioning of the cell membrane?
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What is the main function of the cell coat on animal cells?
What is the main function of the cell coat on animal cells?
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In what kind of movement does the cell membrane phospholipids rotate?
In what kind of movement does the cell membrane phospholipids rotate?
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What prevents the solidification of phospholipids in the cell membrane during low temperatures?
What prevents the solidification of phospholipids in the cell membrane during low temperatures?
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What catalyzes the 'flip-flop' movement of cell membrane phospholipids?
What catalyzes the 'flip-flop' movement of cell membrane phospholipids?
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Which factor contributes to increased cell membrane fluidity during low environmental temperature?
Which factor contributes to increased cell membrane fluidity during low environmental temperature?
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