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Questions and Answers
What is the main function of the plasma membrane?
What provides the basic fluid structure of biological membranes?
What do most membrane proteins do?
What is the approximate thickness of the lipid bilayer in biological membranes?
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Which organelles maintain characteristic differences within eukaryotic cells?
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What is the role of membrane proteins in biological membranes?
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What is the primary factor responsible for the bilayer structure of the lipid molecules in cell membranes?
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Which of the following represents a common characteristic of all lipid molecules in cell membranes?
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Which of the following is a common feature of phospholipids in most animal cell membranes?
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How do differences in the length and saturation of the fatty acid tails influence phospholipid molecules in cell membranes?
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What is the main difference between phosphoglycerides and sphingolipids?
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What makes phosphatidylserine a special phosphoglyceride?
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What is attached to the terminal hydroxyl group of sphingomyelin?
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What is the primary role of transmembrane proteins in the plasma membrane?
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What constitutes about 50% of the mass of most animal cell membranes?
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What is a common characteristic of lipid molecules in cell membranes?
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