29 Questions
What is the charge of Phosphatidylcholine (PC)?
Zwitterionic (0)
What is the function of Cardiolipin (CL)?
Maintains structure and function of mitochondrial membrane
What is the type of link present in Phosphatidylethanolamine*?
Ether link
What is the charge of Phosphatidylserine (PS)?
Anionic (-1)
What is the headgroup of Phosphatidylcholine (PC)?
Choline
What is the tail of Phosphatidylethanolamine?
Fatty acid
What is the function of inositol phosphates?
Cell recognition
What is the effect of Phosphatidylglycerol on the mitochondrial membrane?
Maintains the structure and function
What is the type of lipid that is involved in cell recognition?
Inositol phosphates
What is a primary function of phospholipids in cells?
Membrane structure and cell signalling
What is a characteristic of triacylglycerols?
Used for energy stores and water impermeable coatings
What type of lipids are composed of ceramide and a carbohydrate molecule?
Glycosphingolipids
Which of the following is NOT a function of oils?
Membrane structure
What is the primary difference between waxes and triacylglycerols?
Melting points
Which of the following is an example of a glycerophospholipid?
Phosphatidylcholine
What is the function of sphingolipids in the cell membrane?
Structural support
Which of the following is a characteristic of glycosphingolipids?
Composed of ceramide and a carbohydrate molecule
What type of lipids are important for cell recognition?
Glycosphingolipids
Which of the following is NOT a type of structural lipid?
Triacylglycerols
What is a common characteristic shared by waxes and triacylglycerols?
Esters of long chain fatty acids
What is the primary function of oils in the biological context?
Energy source
What is the main difference between glycosphingolipids and sphingolipids?
Presence of a carbohydrate molecule
What is the characteristic of phospholipids that makes them important for cell membrane structure?
Amphipathic nature
What is the function of ceramide in the context of glycosphingolipids?
Component of glycosphingolipids
What is the role of eicosanoids in the biological context?
Cell signaling and inflammation
What is the characteristic of glycerophospholipids that makes them important for cell signaling?
Ability to participate in cell signaling pathways
What is the difference between sphingolipids and glycerophospholipids in terms of their headgroups?
Sphingolipids have a sphingosine backbone, whereas glycerophospholipids have a glycerol backbone
What is the function of phospholipids in cell membrane structure?
Formation of bilayers and membrane structure
What is the characteristic of triacylglycerols that makes them useful for energy storage?
High energy density
Test your knowledge on the structure of antigenic membranes containing blood group antigens (A, B, O) with both carbohydrate and lipid components. Explore the roles of eicosanoids, prostaglandins, and other lipids with special functions in eicosanoid synthesis and actions.
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