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Questions and Answers
Which of the following is NOT a function of the plasma membrane?
Which of the following is NOT a function of the plasma membrane?
- Digestive (correct)
- Selective Permeability
- Insulating
- Protective
What is the thickness range of the plasma membrane?
What is the thickness range of the plasma membrane?
- 150-200Å
- 110-150Å
- 75-110Å (correct)
- 200-250Å
Which type of molecules can dissolve in the polar region of the plasma membrane and move rapidly across it?
Which type of molecules can dissolve in the polar region of the plasma membrane and move rapidly across it?
- Polar molecules like water
- Non polar molecules like O2 (correct)
- Ions
- Glucose
What controls the free passage of ions in and out of the cell?
What controls the free passage of ions in and out of the cell?
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What is the insulating property of the plasma membrane compared to?
What is the insulating property of the plasma membrane compared to?
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Which of the following is NOT a major component of the plasma membrane?
Which of the following is NOT a major component of the plasma membrane?
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What are the three major components of eukaryotic membranes?
What are the three major components of eukaryotic membranes?
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Which part of the glycerophospholipids is in contact with the intra or extracellular aqueous phase?
Which part of the glycerophospholipids is in contact with the intra or extracellular aqueous phase?
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Where are carbohydrates bound in the plasma membrane?
Where are carbohydrates bound in the plasma membrane?
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Which leaflet of the plasma membrane do carbohydrates have a significant role in?
Which leaflet of the plasma membrane do carbohydrates have a significant role in?
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