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Questions and Answers
What are the three main components of cell membranes?
What are the three main components of cell membranes?
- Protein, lipid, and water
- Protein, lipid, and DNA
- Protein, lipid, and ionized phosphate groups
- Protein, lipid, and carbohydrate (correct)
What is the characteristic of the hydrocarbon tails of phospholipid molecules?
What is the characteristic of the hydrocarbon tails of phospholipid molecules?
- Hydrophobic (water hating) (correct)
- Ionized
- Globular
- Hydrophilic (water loving)
What is the arrangement of phospholipid molecules in the plasma membrane?
What is the arrangement of phospholipid molecules in the plasma membrane?
- A bilayer with the hydrocarbon tails facing together (correct)
- A monolayer with the hydrocarbon tails exposed
- A monolayer with the phosphate heads exposed
- A bilayer with the hydrocarbon tails facing outward
What is the function of the proteins in the plasma membrane?
What is the function of the proteins in the plasma membrane?
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What is the shape of the proteins in the plasma membrane?
What is the shape of the proteins in the plasma membrane?
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What is the result of a small quantity of phospholipids coming into contact with water?
What is the result of a small quantity of phospholipids coming into contact with water?
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