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Questions and Answers
What is a common feature of membranes according to the text?
Which of the following is true about phospholipids?
What makes phosphatidate the simplest phosphoglyceride?
What is a distinguishing feature of phospholipids?
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Which statement is true regarding membrane fluidity?
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What is a characteristic of glycolipids in membranes?
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What type of lipid contains a sphingosine backbone with one or more sugars attached to the primary –OH group?
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Which lipid is built from four linked hydrocarbon rings and contains an –OH group at one end?
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What type of linkage joins nonpolar chains to glycerol in archaeal membranes?
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What is the stereochemistry of the central glycerol in archaeal membranes?
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Which type of molecules contain both a hydrophobic and a hydrophilic moiety?
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In which structure are sugar residues always found on the extracellular side of the membrane?
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What is the structure of a lipid bilayer?
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What stabilizes the formation of lipid bilayers in aqueous solutions?
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Which characteristic of phospholipids and glycolipids prevents them from forming small micelles?
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What is the consequence of the amphipathic nature of membrane lipids?
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What is the role of cholesterol in lipid bilayers?
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How do archaeal membranes differ from eukaryotic membranes in terms of lipid composition?
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