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Questions and Answers
What is the function of the plasma membrane?
What is the function of the plasma membrane?
- To store genetic material
- To produce energy for the cell
- To provide structure to the cell
- To regulate the passage of materials in and out of the cell (correct)
What is the composition of the plasma membrane?
What is the composition of the plasma membrane?
- Proteins and nucleic acids
- Carbohydrates and lipids
- Phospholipids, cholesterol, glyco-lipid, and carbohydrate (correct)
- Proteins and lipids
What is the difference between passive and active movements across the cell membrane?
What is the difference between passive and active movements across the cell membrane?
- Passive movement occurs through a protein channel, while active movement occurs through simple diffusion
- Passive movement uses ATP, while active movement does not
- Passive movement does not require energy, while active movement requires energy in the form of ATP (correct)
- Passive movement occurs from low to high concentration, while active movement occurs from high to low concentration
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