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Questions and Answers
Which of the following is true about the plasma membrane?
Which of the following is true about the plasma membrane?
- It allows all substances to cross it easily
- It is made up mostly of carbohydrates
- It does not exhibit selective permeability
- It separates a living cell from its surroundings (correct)
What is the main component of cell membranes?
What is the main component of cell membranes?
- Carbohydrates
- Nucleic acids
- Proteins
- Phospholipids (correct)
What is the function of the plasma membrane?
What is the function of the plasma membrane?
- To prevent the entry of water molecules
- To eliminate all inbound traffic
- To allow all substances to cross it easily
- To control all chemical exchanges (correct)
What is the term used to describe the property of the plasma membrane that allows it to selectively allow certain substances to cross?
What is the term used to describe the property of the plasma membrane that allows it to selectively allow certain substances to cross?
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What interacts with water molecules in a phospholipid?
What interacts with water molecules in a phospholipid?
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