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Questions and Answers
What is the approximate ratio of lipid molecules to protein molecules in the plasma membrane?
What is the approximate ratio of lipid molecules to protein molecules in the plasma membrane?
What is the primary function of the phospholipid bilayer in the plasma membrane?
What is the primary function of the phospholipid bilayer in the plasma membrane?
What type of lipids are found only in the layer of the plasma membrane that faces the extracellular fluid?
What type of lipids are found only in the layer of the plasma membrane that faces the extracellular fluid?
What is the main difference between the hydrophilic and hydrophobic regions of the phospholipid molecule?
What is the main difference between the hydrophilic and hydrophobic regions of the phospholipid molecule?
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What is the primary component of the phospholipid molecule that makes it amphipathic?
What is the primary component of the phospholipid molecule that makes it amphipathic?
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What is the approximate percentage of phospholipids in the plasma membrane?
What is the approximate percentage of phospholipids in the plasma membrane?
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What is the primary function of the plasma membrane in cellular communication?
What is the primary function of the plasma membrane in cellular communication?
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What is the main cation present in the extracellular fluid (ECF)?
What is the main cation present in the extracellular fluid (ECF)?
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What is the term used to describe the difference in chemical compositions between the cytosol and the ECF?
What is the term used to describe the difference in chemical compositions between the cytosol and the ECF?
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What is the primary function of selective permeability of cell membranes?
What is the primary function of selective permeability of cell membranes?
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What is the main anion present in the cytosol?
What is the main anion present in the cytosol?
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What is the purpose of maintaining an electrochemical gradient across the cell membrane?
What is the purpose of maintaining an electrochemical gradient across the cell membrane?
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What is the main difference between integral and peripheral proteins?
What is the main difference between integral and peripheral proteins?
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What is the function of some integral proteins that act as channels?
What is the function of some integral proteins that act as channels?
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What is the primary function of transporter proteins?
What is the primary function of transporter proteins?
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What is the orientation of the sugar portion of a glycoprotein?
What is the orientation of the sugar portion of a glycoprotein?
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What determines the functions a cell can perform?
What determines the functions a cell can perform?
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What is the function of some integral proteins that serve as recognition sites?
What is the function of some integral proteins that serve as recognition sites?
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